Reykjavik: Silfra Snorkeling & Lava Tunnel Adventure Combo

5 to 10 hours, from $194, admission included. 4.5 from 224 ratings. What Arctic Adventures commits to, what stays open and what is added to the price.

GYG

Reykjavik: Silfra Snorkeling & Lava Tunnel Adventure Combo

★ 4.5(224 reviews)
  • Eight of the outdoor sights around Reykjavik charge for parking rather than for entry. That fee is per car, so it falls away entirely when somebody else is driving.
  • Guide works in English
  • Duration per the operator: 5 to 10 hours

A day that moves between water and stone

This tour combines two very different halves of Iceland within a single 5 to 10 hour day, starting from Reykjavik. The first stop is Silfra, a fissure between the North American and Eurasian tectonic plates, where you snorkel in glacier meltwater that has been filtered through lava for decades. The second half takes you underground to a lava tunnel, a long tube left behind by an eruption. The day runs long, so it suits travellers who want to see both a famous snorkeling site and a cave in one outing rather than booking them separately. Arctic Adventures runs the trip in English, with a guide along for both parts. The tour is not wheelchair accessible. The price starts at 194 USD, which places it firmly in the middle of the volcano-tour category it sits in, and the 224 reviews behind its 4.5 score give it a reasonable base of opinion to work from.

Reykjavik: Silfra Snorkeling & Lava Tunnel Adventure ComboReykjavik: Silfra Snorkeling & Lava Tunnel Adventure ComboReykjavik: Silfra Snorkeling & Lava Tunnel Adventure ComboReykjavik: Silfra Snorkeling & Lava Tunnel Adventure ComboReykjavik: Silfra Snorkeling & Lava Tunnel Adventure Combo

Photographs from the operator Arctic Adventures. They show the listing, not your day.

Operator
Arctic Adventures
Duration
5 to 10 hours
Departure point
Reykjavik
Group form
group
Guiding
guide
In English
yes
Pickup from your hotel
not stated
Price
from $194
Rating
4.5 from 224 ratings
Quality bar
passed

What is included, what is not, and what the operator does not say

The catalogue distinguishes three states, and the third matters most: not stated does not mean excluded, it means unresolved.

ServiceStatusWhat that means for you
Admission to the siteincludedIn the price, nothing further to pay.
Pickup from your hotelas a paid extraIncluded, the meeting point is where you are staying.
Food on the tournot statedNot stated.
Admission to the site
Status
included
What that means for you
In the price, nothing further to pay.
Pickup from your hotel
Status
as a paid extra
What that means for you
Included, the meeting point is where you are staying.
Food on the tour
Status
not stated
What that means for you
Not stated.

What the price covers and what costs extra

The 194 USD entry price covers the essentials: the guide, transport from Reykjavik, and admission to Silfra. That last point matters, because admission is not always bundled into tours of this kind. Only eight other listings in the same 41-tour category say the same, so this is a minority position that saves you a separate payment at the site. The snorkeling park fee of 1,500 ISK per person is part of what the operator covers, not something you hand over on the day. Hotel pickup is available, but only as a paid extra. That is also rare in this category, where only two other tours sell it as an add-on. The practical detail to know is the parking fee at Silfra: 1,000 ISK per car. On a guided trip it does not arise, because you are not driving yourself to the fissure. The operator offers free cancellation, though no deadline is attached to that promise in the listing.

The price in context

The starting price of this tour against the 4 best-evidenced listings in the same category that publish one. The highlighted bar is this tour.

Reykjavik: Silfra Snorkeling & Lava Tu…194 $
Reykjavik: LAVA SHOW - Immersive Exper…53 $
Reykjavík: Volcano Eruption Site and R…132 $
Reykjavík: Guided Afternoon Hiking Tou…132 $
From Reykjavik: Raufarhólshellir Lava …67 $

Prices are the lowest bookable option, not the one that will necessarily suit you.

The figures behind this chart, as a table
RowReykjavik: Silfra Snorkeling & Lava Tu…Reykjavik: LAVA SHOW - Immersive Exper…Reykjavík: Volcano Eruption Site and R…Reykjavík: Guided Afternoon Hiking Tou…From Reykjavik: Raufarhólshellir Lava …
Starting price194 $53 $132 $132 $67 $

This tour against 4 comparable ones

All 5 come from the category “Volcano and lava tours”. The column for this tour is highlighted; the others are the best-evidenced in the category.

Reykjavik: Silfra Snorkeling & Lava Tunnel …Reykjavik: LAVA SHOW - Immersive Experience Entry …Reykjavík: Volcano Eruption Site and Reykjanes …Reykjavík: Guided Afternoon Hiking Tour to New …From Reykjavik: Raufarhólshellir Lava Tunnel Tour
ProviderArctic AdventuresIcelandic Lava ShowBusTravel IcelandBusTravel IcelandArctic Adventures
Pricefrom 194 $from 53 $from 132 $from 132 $from 67 $
Duration5 to 10 hours1.2 hours9 hours7 hours1 to 3 hours
Group typegroupgroupgroupgroupgroup
In Englishyesyesyesyesyes
Admissionincludednot statednot statedincludednot stated
Pickupnot statednot statedyesnot statednot stated
Rating (reviews)4.5 (224)4.7 (4,030)4.6 (1,154)4.4 (942)4.7 (852)
Quality floorabove the floorabove the floorabove the floorabove the floorabove the floor
Free cancellation untilnot statednot statednot statednot statednot stated
Reykjavik: Silfra Snorkeling & Lava Tunnel Adventure Combo
Provider
Arctic Adventures
Price
from 194 $
Duration
5 to 10 hours
Group type
group
In English
yes
Admission
included
Pickup
not stated
Rating (reviews)
4.5 (224)
Quality floor
above the floor
Free cancellation until
not stated
Reykjavik: LAVA SHOW - Immersive Experience Entry Ticket
Provider
Icelandic Lava Show
Price
from 53 $
Duration
1.2 hours
Group type
group
In English
yes
Admission
not stated
Pickup
not stated
Rating (reviews)
4.7 (4,030)
Quality floor
above the floor
Free cancellation until
not stated
Reykjavík: Volcano Eruption Site and Reykjanes Hiking Tour
Provider
BusTravel Iceland
Price
from 132 $
Duration
9 hours
Group type
group
In English
yes
Admission
not stated
Pickup
yes
Rating (reviews)
4.6 (1,154)
Quality floor
above the floor
Free cancellation until
not stated
Reykjavík: Guided Afternoon Hiking Tour to New Volcano Site
Provider
BusTravel Iceland
Price
from 132 $
Duration
7 hours
Group type
group
In English
yes
Admission
included
Pickup
not stated
Rating (reviews)
4.4 (942)
Quality floor
above the floor
Free cancellation until
not stated
From Reykjavik: Raufarhólshellir Lava Tunnel Tour
Provider
Arctic Adventures
Price
from 67 $
Duration
1 to 3 hours
Group type
group
In English
yes
Admission
not stated
Pickup
not stated
Rating (reviews)
4.7 (852)
Quality floor
above the floor
Free cancellation until
not stated

The order follows the weight of evidence and not the commission. Every value comes from the same catalogue fields, so that the columns compare.

How many people have judged it?

The number of ratings per listing, the score in brackets. A score without the population behind it tells you nothing.

Reykjavik: Silfra Snorkeling &… (4.5)224 ratings
Reykjavik: LAVA SHOW - Immersi… (4.7)4,030 ratings
Reykjavík: Volcano Eruption Si… (4.6)1,154 ratings
Reykjavík: Guided Afternoon Hi… (4.4)942 ratings
From Reykjavik: Raufarhólshell… (4.7)852 ratings

This site's quality bar sits at ten ratings. Below that is not a verdict, it is chance.

The figures behind this chart, as a table
RowReykjavik: Silfra Snorkeling &… (4.5)Reykjavik: LAVA SHOW - Immersi… (4.7)Reykjavík: Volcano Eruption Si… (4.6)Reykjavík: Guided Afternoon Hi… (4.4)From Reykjavik: Raufarhólshell… (4.7)
Ratings224 ratings4,030 ratings1,154 ratings942 ratings852 ratings

What the score actually tells you

The 4.5 rating comes from 224 reviews. That is a solid sample, big enough to smooth out the occasional complaint, but it is not a huge one. In the volcano-tour category, this listing ranks 12th of 41 by number of reviews, which puts it in the upper third for how much public feedback exists. The score itself is strong, but the more useful reading is that you have over two hundred people who have taken this exact combination of snorkeling and lava tunnel, and most of them came away satisfied. The category also includes tours with far more reviews, such as the LAVA SHOW with 4,030 ratings at 4.7, so this is not the most-tested option in its group. It is, however, a well-reviewed one with enough volume to be meaningful. The price ranks 18th of 41, squarely mid-field in a group that spans from 24 to over 4,000 USD.

The day, stop by stop

The order follows the usual run of the day. Each stop names what is there and the figures behind it; everything else is in the data sheet.

  1. Meeting point

    You make your own way there; the duration counts from that point.

  2. Reykjavik

  3. Silfra fissure

  4. Back to where you started

    Back to the full list

A place on this list is a stop, not a promise about how long you spend there.

Temperatures in Reykjavik across the year

Mean daily high and mean daily low per month. Two series, one axis; the points mark the warmest and the coolest month.

Daily highDaily low
-4161217Daily high, Jul: 14.9 degrees C15Daily high, Jan: 3.2 degrees C3Daily low, Jul: 9.1 degrees C9Daily low, Feb: -1.9 degrees C-2JanFebMarAprMayJunJulAugSepOctNovDec

There is little shelter at most of these sites. The figures are long-run outdoor averages and not a forecast.

The figures behind this chart, as a table
RowJanFebMarAprMayJunJulAugSepOctNovDec
Daily high3.2 degrees C3.3 degrees C4.2 degrees C6.9 degrees C10.1 degrees C13 degrees C14.9 degrees C14.1 degrees C11.4 degrees C7.6 degrees C4.7 degrees C3.3 degrees C
Daily low-1.7 degrees C-1.9 degrees C-1.3 degrees C1 degrees C4 degrees C7.2 degrees C9.1 degrees C8.6 degrees C6.2 degrees C2.7 degrees C-0.1 degrees C-1.6 degrees C

When the day works best

The tour runs all year, and the season changes what you get from it. From June to August, Reykjavik's average highs sit between 13 and 15 degrees Celsius, with lows around 7 to 9 degrees. Those are the warmest months, and the most comfortable for the snorkeling part, where you are in cold water regardless. The dry suit does the work, but the air temperature affects how pleasant the whole experience feels. May and September are cooler, with highs of 10 and 11 degrees, and still workable. From October through April, highs hover between 3 and 8 degrees, and the daylight is short. A tour that runs up to 10 hours needs daylight to fit in both stops, so the winter months mean a tighter schedule around the middle of the day. The water in Silfra stays cold all year, so the deciding factor is really the air temperature and the light, not the water itself.

The full data sheet

Everything below comes from the operator's own catalogue entry or from the sources named in the last column. Where a field is blank, the operator did not fill it in, and that is recorded as unstated rather than guessed.

Download the full table as CSV · 115 rows

Show all 115 figures
FactValueSource
The listing27
Operator's own titleReykjavik: Silfra Snorkeling & Lava Tunnel Adventure ComboGetYourGuide catalogue
OperatorArctic AdventuresGetYourGuide catalogue
Product number25953GetYourGuide catalogue
Departure pointReykjavikGetYourGuide catalogue
Duration5 to 10 hoursGetYourGuide catalogue
Multi-daynoGetYourGuide catalogue
Starting price$194GetYourGuide, live check
Starting price in local currencyabout 23,504 ISKRate 121.15 ISK to the USD
Rating4.5 out of 5GetYourGuide, live check
Number of ratings224GetYourGuide, live check
This project's quality barpassedOwn rule: at least 4.0 from at least 10 ratings
Rank within its category12 of 41 in “Volcano and lava tours”Own analysis, score weighted by the number of ratings
Admission to the siteincludedGetYourGuide catalogue
Food on the tournot statedGetYourGuide catalogue
Pickup from your hotelnot statedGetYourGuide catalogue
Kind of guidingguideGetYourGuide catalogue
Guiding languagesEnglishGetYourGuide catalogue
Guide works in EnglishyesGetYourGuide catalogue
Bookable privatelynoGetYourGuide catalogue
Small groupnoGetYourGuide catalogue
Group form per the operatornot statedGetYourGuide catalogue
Priority entrynoGetYourGuide catalogue
Suitable for wheelchair usersnot statedGetYourGuide catalogue
Free cancellationyesGetYourGuide catalogue
Cancellation deadlinenot statedGetYourGuide catalogue
Basis in the cataloguenot statedOwn check of the catalogue fields
Operator's images5 photographsGetYourGuide catalogue
Reykjavik37
Population of Reykjavik (city proper)139,804Statistics Iceland
Population of the greater capital region253,230Statistics Iceland
Area of the city244 km2Wikipedia
City charter granted18 August 1786Wikipedia
Weather station for the climate figures belowReykjavík station (station no. 1), Icelandic Meteorological OfficeIcelandic Meteorological Office (Veðurstofa Íslands)
Average high in January3.2 °CIcelandic Meteorological Office
Average high in February3.3 °CIcelandic Meteorological Office
Average high in March4.2 °CIcelandic Meteorological Office
Average high in April6.9 °CIcelandic Meteorological Office
Average high in May10.1 °CIcelandic Meteorological Office
Average high in June13 °CIcelandic Meteorological Office
Average high in July14.9 °CIcelandic Meteorological Office
Average high in August14.1 °CIcelandic Meteorological Office
Average high in September11.4 °CIcelandic Meteorological Office
Average high in October7.6 °CIcelandic Meteorological Office
Average high in November4.7 °CIcelandic Meteorological Office
Average high in December3.3 °CIcelandic Meteorological Office
Average low in January-1.7 °CIcelandic Meteorological Office
Average low in February-1.9 °CIcelandic Meteorological Office
Average low in March-1.3 °CIcelandic Meteorological Office
Average low in April1 °CIcelandic Meteorological Office
Average low in May4 °CIcelandic Meteorological Office
Average low in June7.2 °CIcelandic Meteorological Office
Average low in July9.1 °CIcelandic Meteorological Office
Average low in August8.6 °CIcelandic Meteorological Office
Average low in September6.2 °CIcelandic Meteorological Office
Average low in October2.7 °CIcelandic Meteorological Office
Average low in November-0.1 °CIcelandic Meteorological Office
Average low in December-1.6 °CIcelandic Meteorological Office
Average annual precipitation875.9 mmIcelandic Meteorological Office
Daylight on the June solstice21.2 hGaisma (sun-path almanac)
Daylight on the December solstice4.1 hGaisma (sun-path almanac)
Main gateway airportKEFIsavia
Drive time from Keflavik Airport to downtown Reykjavik45 minFlybus (Kynnisferðir)
Single city bus fare (Strætó)690 ISKStrætó bs
One-way airport bus fare (Flybus, KEF to Reykjavik)3,999 ISKFlybus (Kynnisferðir)
Taxi fare from Keflavik Airport to Reykjavik22,500 ISKHreyfill (taxi cooperative)
Vík í Mýrdal19
Population, Vík í Mýrdal locality740Statistics Iceland (Hagstofa Íslands), table MAN030102
Population, Mýrdalshreppur municipality1,004Statistics Iceland (Hagstofa Íslands), table MAN02005
Population passed 1,000 for the first timeMýrdalshreppur's municipal population rose from 881 (2024) to 965 (2025) to 1,004 (2026), the first time it has passed 1,000Statistics Iceland (Hagstofa Íslands), table MAN02005
Municipality area755 km2Wikipedia
Church doubles as flood evacuation pointStanding on high ground above the village, Víkurkirkja is considered one of the few buildings likely to survive a Katla-triggered glacial flood, and serves as the village's designated evacuation pointWikipedia
Katla volcano, last eruption through the ice cap1918 (started 12 October, lasted 24 days)Icelandic Meteorological Office (Veðurstofa Íslands)
Katla's historical eruption intervalAbout every 50 years on average from Iceland's settlement until 1918; over 100 years have now passed since the last eruption broke through the iceIcelandic Meteorological Office (Veðurstofa Íslands)
Official Katla/Eyjafjallajökull civil-protection response plan30 September 2017Almannavarnir (Icelandic Civil Protection)
Evacuation response time built into the Katla plan15-20 min for Sólheimabær, up to 30 min elsewhere in the hazard zone; seismic monitoring may give 4-6 hours' warning before an eruption startsAlmannavarnir (Icelandic Civil Protection)
Official rockfall/snow-avalanche hazard assessment for the townConfirmed by the Minister for the Environment on 10 February 2010, based on Veðurstofa Íslands fieldwork carried out in 2008-2009Icelandic Meteorological Office (Veðurstofa Íslands)
Average annual rainfall2,333 mmIcelandic Meteorological Office (Veðurstofa Íslands)
Wettest year on record2,887 mmIcelandic Meteorological Office (Veðurstofa Íslands)
Single-day rainfall record150.3 mmIcelandic Meteorological Office (Veðurstofa Íslands)
Highest temperature on record28.5 CIcelandic Meteorological Office (Veðurstofa Íslands)
Lowest temperature on record-16.9 CIcelandic Meteorological Office (Veðurstofa Íslands)
Ranking among Iceland's weather stationsOne of Iceland's two warmest weather stations for the year as a whole, together with VestmannaeyjarIcelandic Meteorological Office (Veðurstofa Íslands)
Hotel rooms in the village1,400Wikipedia
Road distance from Reykjavik186.9 km · Computed over the OpenStreetMap road network, not quoted from a tour operator. Driving only: no stops, no ferry, no winter closures, and a car rather than a coach that has to load forty people at every stop.OpenStreetMap road network, routed with OSRM
Driving time from Reykjavik167 min · Computed over the OpenStreetMap road network, not quoted from a tour operator. Driving only: no stops, no ferry, no winter closures, and a car rather than a coach that has to load forty people at every stop.OpenStreetMap road network, routed with OSRM
Silfra fissure32
LocationA water-filled fissure between the North American and Eurasian tectonic plates, at the northern end of Lake Þingvallavatn inside Þingvellir National ParkÞingvellir National Park
Parking fee, car (up to 5 seats)1,000 ISKÞingvellir National Park
Silfra diving/snorkeling park fee, per person1,500 ISKDIVE.IS
Water temperature2-4 °CÞingvellir National Park
Underwater visibility100 mÞingvellir National Park
Fissure width, maximum10 mÞingvellir National Park
Fissure depth, maximum60 mÞingvellir National Park
Maximum diving depth permitted18 mÞingvellir National Park
Time water spends filtering through lava before reaching Silfra30Þingvellir National Park
Water sourceGlacial meltwater from Langjökull glacier, arriving via groundwaterÞingvellir National Park
How old the fissure actually isAt least 1,500 years old; the 1789 earthquakes altered water flow into it but did not create it, despite the popular claim that they didÞingvellir National Park
Silfra widening rate1-5 mm/yearÞingvellir National Park
Age of the lava forming Silfra's walls9,000Þingvellir National Park
Fissures in the surrounding areaAbout 100 similar fissures lie along a roughly 5 km stretch between the plates near SilfraÞingvellir National Park
Historical use before divingA popular fishing site before 1789; became a recreational diving destination in the early 21st centuryÞingvellir National Park
Solo diving/snorkeling ruleProhibited: a buddy is required at all times, entering Silfra alone is not permittedÞingvellir National Park
Overhead-environment ruleDivers must stay in open areas; entering caves or other overhead environments is prohibitedÞingvellir National Park
Diver certification requiredA diving licence equivalent to Autonomous Diver/Open Water, plus a dry suit certificate; proof of 10 registered dry suit dives in the last two years, confirmed in writing by a recognised instructor, is accepted instead of the dry suit certificateÞingvellir National Park
Snorkeling equipment requirementA well-fitting, thick wetsuit with hood, gloves and neoprene shoes/socks suitable for 2-4°C water; most guided tours provide a dry suit insteadÞingvellir National Park
Medical screening requirementDivers and snorkelers must complete a medical screening form, with a doctor's approval required if applicableÞingvellir National Park
LiabilityDiving and snorkeling at Silfra is entirely at the participant's own responsibility and risk; the park accepts no liability for diving-related accidentsÞingvellir National Park
Independent (non-guided) divingQualified divers may book a permit directly with the park rather than through a tour operator; they must confirm their own full mental and physical health when booking, and the buddy rule still appliesÞingvellir National Park
SeasonOpen year-round; unlike Iceland's other dive sites, Silfra does not close in winterDIVE.IS
Minimum age to snorkel12DIVE.IS
Minimum height to snorkel150 cmDIVE.IS
Minimum weight to snorkel45DIVE.IS
Minimum age to dive in Iceland generally17DIVE.IS
Minimum age to dive at Silfra specifically18DIVE.IS
Life jacket ruleLife jackets and other swimming aids are not permitted in Silfra; participants must be able to swim and be comfortable in the waterIceland Review
Park's UNESCO World Heritage statusSilfra lies within the Þingvellir National Park UNESCO World Heritage Site, inscribed in 2004UNESCO World Heritage Centre
Road distance from Reykjavik54.1 km · Computed over the OpenStreetMap road network, not quoted from a tour operator. Driving only: no stops, no ferry, no winter closures, and a car rather than a coach that has to load forty people at every stop.OpenStreetMap road network, routed with OSRM
Driving time from Reykjavik55 min · Computed over the OpenStreetMap road network, not quoted from a tour operator. Driving only: no stops, no ferry, no winter closures, and a car rather than a coach that has to load forty people at every stop.OpenStreetMap road network, routed with OSRM

Arriving and getting going

The day starts in Reykjavik, where the tour gathers before heading out. The first stop is Silfra, which is a staffed site with a parking area. On a guided trip, you do not handle the parking fee yourself, as that charge applies per car and the transport is part of the tour. The snorkeling itself happens in the fissure, where the guide handles the practical side of getting you into the water. After that, the tour moves on to the lava tunnel, a separate location with its own entrance. The weather in Iceland can change quickly, and road conditions sometimes force adjustments to the plan. A guide who turns back or reroutes is making a call about safety, not cancelling without reason. The exact meeting point and time for the Reykjavik departure are confirmed when you book.

Who should take this tour

This combo suits travellers who want variety in one day and do not mind a long one. If you are short on time and want to focus on a single experience, the alternatives in the same category are more targeted. The LAVA SHOW runs for just over an hour, costs from 53 USD, and has a 4.7 rating from over 4,000 reviews, making it a quick, well-tested option. For a full day on foot, the Volcano Eruption Site and Reykjanes Hiking Tour runs 9 hours from 132 USD, and the Guided Afternoon Hiking Tour to the New Volcano Site runs 7 hours from the same price. The Raufarhólshellir Lava Tunnel Tour is shorter, at 1 to 3 hours, and cheaper, from 67 USD, if the cave is the only part that interests you. This tour is not for anyone who cannot manage the physical demands of snorkeling in cold water or walking through a lava tunnel, and it is not wheelchair accessible. If you want both Silfra and a lava tunnel without arranging them separately, this is the one.

Similar tours on this site

Six listings a reader of this page is genuinely torn between: same departure point first, then the same destinations, then a similar length. Each card leads to a page with the same data sheet rather than straight to the operator, so you can compare before you book.

  1. From Reykjavik: Silfra Snorkeling with Free Photos

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  2. Reykjavík: Golden Circle and Silfra Snorkeling Combo Tour

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  3. From Reykjavík: Golden Circle Tour and Silfra Snorkeling

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  4. From Reykjavík: Silfra Snorkeling with free photos

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  5. Reykjavik: Silfra Snorkel Tour & Fly Over Iceland VR Ticket

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  6. Reykjavik: Lava Cave, Hot Springs, Horses & Waterfalls Tour

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The order follows how close a listing is to this one, not the commission. Ratings, prices and availability according to GetYourGuide, accessed on . Prices in US dollars; “from” is the provider's lowest entry price.

Common questions

Is admission included?

Yes. Admission to the stops on this itinerary is included.

How long does the tour really take?

The catalogue gives 5 to 10 hours. That is the operator's own figure and covers the tour itself, not the time you spend getting to the meeting point.

Is there a guide who works in English?

Yes, the operator lists English as a guiding language. That is the operator's commitment, not a checked property of the person on the day.

Where do I find all the data on this tour?

In the data sheet on this page. It carries every field on the tour, on each place it visits and on the climate of the departure city, each with its source, and it downloads as a CSV.

Does this listing's rating mean anything?

Yes. 4.5 out of 5 from 224 is above the bar this site holds, which is 4.0 out of 5 from at least ten voices.

GYG

Reykjavik: Silfra Snorkeling & Lava Tunnel Adventure Combo

Dates, remaining places and the current version of what is included are at the operator. This page reflects the state of the catalogue, not the state of this morning.

from $194
Ansehen

Sources

Every figure on this page comes from one of these sources. The running text does not name them, so that it stays readable; the data sheet carries the source in every row.

  1. 1
    GetYourGuide: Reykjavik: Silfra Snorkeling & Lava Tunnel Adventure ComboTitle, duration, what is included, languages, cancellation deadline, stars, number of ratings and starting price.
  2. 2
    This project's exchange-rate record, partners/fx.json accessed 2026-09-07Prices are shown in USD as published, with an approximate ISK figure at the rate on the date given. The operator charges in its own currency.
  3. 3
    Statistics Iceland accessed 2026-09-07
  4. 4
    Statistics Iceland accessed 2026-09-07
  5. 5
    Wikipedia accessed 2026-09-07
  6. 6
    Icelandic Meteorological Office (Veðurstofa Íslands) accessed 2026-09-07
  7. 7
    Icelandic Meteorological Office accessed 2026-09-07
  8. 8
    Gaisma (sun-path almanac) accessed 2026-09-07
  9. 9
    Isavia accessed 2026-09-07
  10. 10
    Flybus (Kynnisferðir) accessed 2026-09-07
  11. 11
    Strætó bs accessed 2026-09-07
  12. 12
    Hreyfill (taxi cooperative) accessed 2026-09-07
  13. 13
  14. 14
  15. 15
    Wikipedia accessed 2026-09-07
  16. 16
    Wikipedia accessed 2026-09-07
  17. 17
  18. 18
  19. 19
  20. 20
  21. 21
  22. 22
  23. 23
    Þingvellir National Park accessed 2026-09-07
  24. 24
    Þingvellir National Park accessed 2026-09-07
  25. 25
    DIVE.IS accessed 2026-09-07
  26. 26
    Þingvellir National Park accessed 2026-09-07
  27. 27
    Þingvellir National Park accessed 2026-09-07
  28. 28
    DIVE.IS accessed 2026-09-07
  29. 29
    DIVE.IS accessed 2026-09-07
  30. 30
    Iceland Review accessed 2026-09-07
  31. 31
    UNESCO World Heritage Centre accessed 2026-09-07
  32. 32
    Statistics Iceland accessed 2026-09-07
  33. 33
    Wikipedia accessed 2026-09-08
  34. 34