




Geological Lava Tunnel Adventure - Arnarker Cave
- Pickup from your hotel
- Guide works in English
- Duration per the operator: 5 hours
A five-hour ride into the lava tube
This tour takes you from Reykjavik to Arnarker Cave, a lava tunnel shaped by an eruption long before the city existed. You are picked up at your hotel in the capital and driven to the cave entrance, where a guide leads the small group through the passage. The whole trip runs five hours, door to door, which makes it a half-day commitment rather than a full one. It suits travellers who want to see what lies under Iceland's surface without spending an entire day away from the city. The group is kept small, so you are not trailing behind dozens of other visitors inside the tunnel. English is the language of the guiding, and the guide stays with you through the cave. The tour is priced from 209 USD per person, which places it in the middle of the volcano-tour market in Reykjavik. You do not need to arrange your own transport to the site, because the hotel pickup is part of what you pay for.





Photographs from the operator Geoadventures ehf. They show the listing, not your day.
- Operator
- Geoadventures ehf
- Duration
- 5 hours
- Departure point
- Reykjavik
- Group form
- small group
- Guiding
- Guide
- In English
- yes
- Pickup from your hotel
- yes
- Price
- from $209
- Rating
- 5.0 from 7 ratings
- Quality bar
- not 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.
| Service | Status | What that means for you |
|---|---|---|
| Admission to the site | not stated | admission not stated |
| Pickup from your hotel | included | Included, the meeting point is where you are staying. |
| Food on the tour | not included | Not included. |
- Status
- not stated
- What that means for you
- admission not stated
- Status
- included
- What that means for you
- Included, the meeting point is where you are staying.
- Status
- not included
- What that means for you
- Not included.
What the price covers and what it does not
The entry price of 209 USD includes the guided walk through Arnarker Cave and the hotel pickup from Reykjavik. That pickup is a genuine part of the deal, not an optional extra. Food is not part of the package, so you should eat before you leave the city or bring something with you for after the walk. There are no admission charges or parking fees at any point on this itinerary, so the amount you see quoted is the amount you plan around. The operator offers free cancellation, though no deadline is attached to that offer. The tour is not wheelchair accessible, which matters if you or someone in your party has limited mobility. The cave itself involves walking on uneven ground, and the tour description does not promise any special equipment beyond what you would bring yourself. You will not need to buy anything at the cave entrance, because there is no ticket booth or gate fee waiting for you.
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.
Prices are the lowest bookable option, not the one that will necessarily suit you.
The figures behind this chart, as a table
| Row | Geological Lava Tunnel Adventure - Arn… | Reykjavik: LAVA SHOW - Immersive Exper… | Reykjavík: Volcano Eruption Site and R… | Reykjavík: Guided Afternoon Hiking Tou… | From Reykjavik: Raufarhólshellir Lava … |
|---|---|---|---|---|---|
| Starting price | 209 $ | 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.
| Geological Lava Tunnel Adventure - Arnarker Cave | 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 | |
|---|---|---|---|---|---|
| Provider | Geoadventures ehf | Icelandic Lava Show | BusTravel Iceland | BusTravel Iceland | Arctic Adventures |
| Price | from 209 $ | from 53 $ | from 132 $ | from 132 $ | from 67 $ |
| Duration | 5 hours | 1.2 hours | 9 hours | 7 hours | 1 to 3 hours |
| Group type | small group | group | group | group | group |
| In English | yes | yes | yes | yes | yes |
| Admission | not stated | not stated | not stated | included | not stated |
| Pickup | yes | not stated | yes | not stated | not stated |
| Rating (reviews) | 5.0 (7) | 4.7 (4,030) | 4.6 (1,154) | 4.4 (942) | 4.7 (852) |
| Quality floor | below the floor | above the floor | above the floor | above the floor | above the floor |
| Free cancellation until | not stated | not stated | not stated | not stated | not stated |
- Provider
- Geoadventures ehf
- Price
- from 209 $
- Duration
- 5 hours
- Group type
- small group
- In English
- yes
- Admission
- not stated
- Pickup
- yes
- Rating (reviews)
- 5.0 (7)
- Quality floor
- below the floor
- Free cancellation until
- not stated
- 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
- 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
- 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
- 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.
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
| Row | Geological Lava Tunnel Adventu… (5.0) | Reykjavik: LAVA SHOW - Immersi… (4.7) | Reykjavík: Volcano Eruption Si… (4.6) | Reykjavík: Guided Afternoon Hi… (4.4) | From Reykjavik: Raufarhólshell… (4.7) |
|---|---|---|---|---|---|
| Ratings | 7 ratings | 4,030 ratings | 1,154 ratings | 942 ratings | 852 ratings |
A perfect score with a thin base
The tour carries a 5.0 rating, but that score comes from only seven reviews. Seven people is not a large enough sample to tell you much about consistency. A single disappointed traveller would have dropped the score noticeably, and a single enthusiastic one could have lifted it just as easily. In the volcano-tour category, which holds 41 listings, this tour ranks 23rd by strength of evidence. That rank is not a judgement on the cave itself, it is a statement about how much public feedback exists. By price, the tour sits 22nd of 41, squarely in the middle of the range that runs from 24 to 4,028 USD. The rating is encouraging, but it should be read as a hint rather than a guarantee. With so few voices behind it, you are better off weighing the tour's structure, the small group, the pickup, the five-hour length, against what you want from a day out.
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.
Pickup where you are staying
The operator collects you; the stated duration counts from here, not from the first stop.
Reykjavik
- Population of Reykjavik (city proper)139,804Statistics Iceland
- Daylight on the June solstice21.2 hGaisma (sun-path almanac)
- Daylight on the December solstice4.1 hGaisma (sun-path almanac)
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.
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
| Row | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daily high | 3.2 degrees C | 3.3 degrees C | 4.2 degrees C | 6.9 degrees C | 10.1 degrees C | 13 degrees C | 14.9 degrees C | 14.1 degrees C | 11.4 degrees C | 7.6 degrees C | 4.7 degrees C | 3.3 degrees C |
| Daily low | -1.7 degrees C | -1.9 degrees C | -1.3 degrees C | 1 degrees C | 4 degrees C | 7.2 degrees C | 9.1 degrees C | 8.6 degrees C | 6.2 degrees C | 2.7 degrees C | -0.1 degrees C | -1.6 degrees C |
When the cave suits the season
Reykjavik's monthly temperatures climb from a January high of 3 degrees to a July high of 15 degrees, with lows hovering near freezing in winter and reaching 9 degrees in summer. The cave itself stays cold regardless of the month, so the season matters less for the underground part of the tour than for the ride to and from the site. In the winter months, from November through February, you are looking at highs of 3 to 5 degrees and lows around minus 2. The five-hour window means you are outside in that cold for a meaningful stretch, so warm layers are not optional. From June through August, highs of 13 to 15 degrees make the surface portion of the trip far more comfortable, though the cave interior will still feel cool against the summer air. The tour runs in daylight hours, and in midwinter the short days mean the five hours need to fit into a narrower window of light. In summer, the long daylight gives you more flexibility on timing.
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 · 113 rows
Show all 113 figures
| Fact | Value | Source |
|---|---|---|
| The listing27 | ||
| Operator's own title | Geological Lava Tunnel Adventure - Arnarker Cave | GetYourGuide catalogue |
| Operator | Geoadventures ehf | GetYourGuide catalogue |
| Product number | 537869 | GetYourGuide catalogue |
| Departure point | Reykjavik | GetYourGuide catalogue |
| Duration | 5 hours | GetYourGuide catalogue |
| Multi-day | no | GetYourGuide catalogue |
| Starting price | $209 | GetYourGuide, live check |
| Starting price in local currency | about 25,321 ISK | Rate 121.15 ISK to the USD |
| Rating | 5.0 out of 5 | GetYourGuide, live check |
| Number of ratings | 7 | GetYourGuide, live check |
| This project's quality bar | not passed | Own rule: at least 4.0 from at least 10 ratings |
| Rank within its category | 23 of 41 in “Volcano and lava tours” | Own analysis, score weighted by the number of ratings |
| Admission to the site | not stated | GetYourGuide catalogue |
| Food on the tour | not included | GetYourGuide catalogue |
| Pickup from your hotel | included | GetYourGuide catalogue |
| Kind of guiding | Guide | GetYourGuide catalogue |
| Guiding languages | English | GetYourGuide catalogue |
| Guide works in English | yes | GetYourGuide catalogue |
| Bookable privately | no | GetYourGuide catalogue |
| Small group | yes | GetYourGuide catalogue |
| Group form per the operator | not stated | GetYourGuide catalogue |
| Priority entry | no | GetYourGuide catalogue |
| Suitable for wheelchair users | not stated | GetYourGuide catalogue |
| Free cancellation | yes | GetYourGuide catalogue |
| Cancellation deadline | not stated | GetYourGuide catalogue |
| Basis in the catalogue | not stated | Own check of the catalogue fields |
| Operator's images | 5 photographs | GetYourGuide catalogue |
| Reykjavik37 | ||
| Population of Reykjavik (city proper) | 139,804 | Statistics Iceland |
| Population of the greater capital region | 253,230 | Statistics Iceland |
| Area of the city | 244 km2 | Wikipedia |
| City charter granted | 18 August 1786 | Wikipedia |
| Weather station for the climate figures below | Reykjavík station (station no. 1), Icelandic Meteorological Office | Icelandic Meteorological Office (Veðurstofa Íslands) |
| Average high in January | 3.2 °C | Icelandic Meteorological Office |
| Average high in February | 3.3 °C | Icelandic Meteorological Office |
| Average high in March | 4.2 °C | Icelandic Meteorological Office |
| Average high in April | 6.9 °C | Icelandic Meteorological Office |
| Average high in May | 10.1 °C | Icelandic Meteorological Office |
| Average high in June | 13 °C | Icelandic Meteorological Office |
| Average high in July | 14.9 °C | Icelandic Meteorological Office |
| Average high in August | 14.1 °C | Icelandic Meteorological Office |
| Average high in September | 11.4 °C | Icelandic Meteorological Office |
| Average high in October | 7.6 °C | Icelandic Meteorological Office |
| Average high in November | 4.7 °C | Icelandic Meteorological Office |
| Average high in December | 3.3 °C | Icelandic Meteorological Office |
| Average low in January | -1.7 °C | Icelandic Meteorological Office |
| Average low in February | -1.9 °C | Icelandic Meteorological Office |
| Average low in March | -1.3 °C | Icelandic Meteorological Office |
| Average low in April | 1 °C | Icelandic Meteorological Office |
| Average low in May | 4 °C | Icelandic Meteorological Office |
| Average low in June | 7.2 °C | Icelandic Meteorological Office |
| Average low in July | 9.1 °C | Icelandic Meteorological Office |
| Average low in August | 8.6 °C | Icelandic Meteorological Office |
| Average low in September | 6.2 °C | Icelandic Meteorological Office |
| Average low in October | 2.7 °C | Icelandic Meteorological Office |
| Average low in November | -0.1 °C | Icelandic Meteorological Office |
| Average low in December | -1.6 °C | Icelandic Meteorological Office |
| Average annual precipitation | 875.9 mm | Icelandic Meteorological Office |
| Daylight on the June solstice | 21.2 h | Gaisma (sun-path almanac) |
| Daylight on the December solstice | 4.1 h | Gaisma (sun-path almanac) |
| Main gateway airport | KEF | Isavia |
| Drive time from Keflavik Airport to downtown Reykjavik | 45 min | Flybus (Kynnisferðir) |
| Single city bus fare (Strætó) | 690 ISK | Strætó bs |
| One-way airport bus fare (Flybus, KEF to Reykjavik) | 3,999 ISK | Flybus (Kynnisferðir) |
| Taxi fare from Keflavik Airport to Reykjavik | 22,500 ISK | Hreyfill (taxi cooperative) |
| Sources: Þingvellir National Park27 | ||
| Park entry fee, adult | 0 ISK | Arctic Adventures |
| Parking fee, car (up to 5 seats) | 1,000 ISK | Þingvellir National Park |
| Toilet fee | 0 ISK | Iceland Review |
| Visitor centre opening hours | 09:00-18:00 (Apr-Oct), 09:00-17:00 (Nov-Mar) | Þingvellir National Park |
| Park access season | Grounds open 24 hours, year-round | Arctic Adventures |
| Visitor centre exhibition fee, adult | 1,200 ISK | Þingvellir National Park |
| UNESCO World Heritage status since | 2,004 | UNESCO World Heritage Centre |
| Althing (Icelandic parliament) established | 930 | Þingvellir National Park |
| Year Althing stopped meeting at Thingvellir | 1,798 | Þingvellir National Park |
| National park established | 1,930 | Þingvellir National Park |
| Core protected area | 92.7 km2 | Wikipedia |
| Lake Þingvallavatn surface area | 84 km2 | Wikipedia |
| Lake Þingvallavatn, maximum depth | 114 m | Wikipedia |
| Tectonic plate drift rate | 2 cm/year | Þingvellir National Park |
| Silfra fissure water temperature | 2-4 C | Þingvellir National Park |
| Silfra fissure, maximum diving depth allowed | 18 m | Þingvellir National Park |
| Silfra diving/snorkeling park fee, per person | 1,500 ISK | DIVE.IS |
| Campsite fee, adult per night | 1,800 ISK | Þingvellir National Park |
| Campsite season | Summer season Jun 1-Sep 15; Nyrðri-Leirar open year-round | Þingvellir National Park |
| Wheelchair accessibility | Paved and boardwalk paths from parking lots P1, P2, P4 and P5 reach the main sights; lot P3's path is steep and unsuitable | Golden Circle Iceland |
| Safety warning | Snow can hide cracks and rifts near the Öxará riverbank; visitors are told to stay on marked paths | Þingvellir National Park |
| Recent path closure | Part of the Almannagjá gorge path closed evenings 18:00-23:00 through end of May for bridge repairs | Þingvellir National Park |
| Öxarárfoss waterfall height | 12 m | Iceland Review |
| Þingvallakirkja church built | 1,859 | Iceland Review |
| Women executed at Drekkingarhylur drowning pool | 18 | Iceland Review |
| Road distance from Reykjavik | 47.6 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 Reykjavik | 47 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 |
| Sources: Geysir geothermal area22 | ||
| Entry fee to the geothermal area | 0 ISK | Reykjavík Grapevine |
| Parking fee, car | 1,000 ISK | Reykjavík Grapevine |
| Access season | Open-air site accessible year-round, no gate or hours | Environment Agency of Iceland |
| Protected area size | 3 km2 | Environment Agency of Iceland |
| Protected as a natural monument since | 2,020 | Environment Agency of Iceland |
| Identified thermal features in the area | 364 | Wikipedia |
| Elevation | 110 m | Wikipedia |
| Strokkur eruption interval | 6-10 min | Wikipedia |
| Strokkur eruption height, typical | 15-20 m | Wikipedia |
| Strokkur eruption height, maximum recorded | 40 m | Wikipedia |
| Great Geysir, last known eruption | 2,016 | Iceland Review |
| Great Geysir, tallest eruption on record | 170 m | Wikipedia |
| Water temperature in the geyser conduit | 85-95 C | Wikipedia |
| First written record of Geysir | 13th century | Environment Agency of Iceland |
| Land donated to the Icelandic nation | 1,935 | Environment Agency of Iceland |
| Recent change: footpath and safety project | Circular footpath and safety upgrade, phase one finished Sep 2024, full project due by end of 2025 | Environment Agency of Iceland |
| Safety warning | Stay on the marked paths and behind ropes; geyser water reaches 100C at the surface and can scald or kill | Guide to Iceland |
| Wheelchair accessibility | Main paths around Strokkur are level, compact gravel or paved and usable by wheelchair in good weather; the upper hill viewpoint has steps and steep sections | Golden Circle Iceland |
| Historic royal visits marked by stone markers | Danish kings Christian IX (1874), Frederick VIII (1907) and Christian X (1921) visited and are commemorated by carved 'king's stones' | Environment Agency of Iceland |
| Origin of the English word 'geyser' | Derived from Geysir, this valley's most famous spring; entered English usage in 1780 | Etymonline |
| Road distance from Reykjavik | 115.3 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 Reykjavik | 104 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 |
Meeting the guide and entering the tunnel
Your day begins with the hotel pickup in Reykjavik, so you do not need to find a meeting point on your own. The guide drives the group to Arnarker Cave and leads you inside. The cave is not a staffed attraction in the way a museum is, there is no front desk or ticket window because no admission is charged. The guide is the person who manages the practical side of the visit, from parking to pacing the walk. The tunnel floor is uneven, and the temperature inside stays low, so sturdy shoes and a warm layer are worth having. The weather in Iceland can change quickly, and if rain or wind makes the surface walk difficult, the guide will adjust the plan. The five-hour duration includes the drive from Reykjavik, the time at the cave, and the return, so the underground portion is a solid block of walking rather than a brief stop.
Who should take this tour
This tour suits travellers who want a guided, small-group look at a lava tunnel without spending a full day away from Reykjavik. The five-hour length fits a day that also leaves room for other plans. It also suits anyone who does not want to rent a car or navigate Icelandic roads to reach a cave on their own. The hotel pickup removes that barrier. If you are short on time or want a quicker introduction to lava formations, the Raufarhólshellir Lava Tunnel Tour runs one to three hours and starts from 67 USD, which is a lighter commitment. If you prefer a longer day with more variety, the Volcano Eruption Site and Reykjanes Hiking Tour runs nine hours from 132 USD and covers surface landscapes as well as volcanic ground. This tour is not for anyone who needs wheelchair access, because the operator states that it is not wheelchair accessible. It is also not the cheapest option in the category, so if price is your main constraint, the shorter lava tunnel tour gives you a similar experience for less.
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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?
The catalogue does not say. Where the route is waterfalls and beaches there is nothing to pay; ask if it includes a paid attraction.
How long does the tour really take?
The catalogue gives 5 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?
No. 5.0 out of 5 from only 7 is not enough to draw a conclusion from, however high the score.

Geological Lava Tunnel Adventure - Arnarker Cave
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.
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.
- 1GetYourGuide: Geological Lava Tunnel Adventure - Arnarker CaveTitle, duration, what is included, languages, cancellation deadline, stars, number of ratings and starting price.
- 2This 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.
- 3Statistics Iceland accessed 2026-09-07
- 4Statistics Iceland accessed 2026-09-07
- 5Wikipedia accessed 2026-09-07
- 6Icelandic Meteorological Office (Veðurstofa Íslands) accessed 2026-09-07
- 7Icelandic Meteorological Office accessed 2026-09-07
- 8Gaisma (sun-path almanac) accessed 2026-09-07
- 9Isavia accessed 2026-09-07
- 10Flybus (Kynnisferðir) accessed 2026-09-07
- 11Strætó bs accessed 2026-09-07
- 12Hreyfill (taxi cooperative) accessed 2026-09-07
- 13Statistics Iceland accessed 2026-09-07
- 14Wikipedia accessed 2026-09-08
- 15Icelandic Meteorological Office (Veðurstofa Íslands) accessed 2026-09-07
- 16Icelandic Meteorological Office accessed 2026-09-07
- 17Arctic Adventures accessed 2026-09-07
- 18Þingvellir National Park accessed 2026-09-07
- 19Iceland Review accessed 2026-09-07
- 20UNESCO World Heritage Centre accessed 2026-09-07
- 21DIVE.IS accessed 2026-09-07
- 22Golden Circle Iceland accessed 2026-09-07
- 23OpenStreetMap road network, routed with OSRM accessed 2026-09-07
- 24Reykjavík Grapevine accessed 2026-09-07
- 25Environment Agency of Iceland accessed 2026-09-07
- 26Guide to Iceland accessed 2026-09-07
- 27Etymonline accessed 2026-09-07
