Geological Lava Tunnel Adventure - Arnarker Cave

Capital Region of Iceland, Reykjavik



The Arnarker Cave is one of Icelands spetacluar lavacaves. Join a breathtaking geological caving adventure in a small group and learn from a professional geological guide, about Icelandic volcanism.

This guided caving tour explores the Arnaker Lava cave near Reykjavik, suitable for small groups who enjoy moderate physical activity and geological learning.

Highlights

  • Explore a lesser-known 500 m-long lava tunnel in a small group caving adventure.
  • Learn about lava tunnel formation and Icelandic volcanism from a professional geologist.
  • All necessary equipment including helmets, headlamps, and gloves is provided.

Description

The adventure begins with a pick-up at Bus Stop #8 (Hallgrimskirkja parking lot) in Reykjavik, followed by a scenic drive through Icelandic landscapes to Arnaker Lava cave.

Arnaker cave is a natural, less commercialized lava tunnel offering a true caving experience for up to six participants. You will learn about the cave’s volcanic origins from an expert guide.

In winter, the cave features notable ice formations alongside its geological structures. This tour operates year-round and is not affected by adverse weather conditions.

All required safety gear, helmets, headlamps, and gloves, is provided.

Includes

  • Pick up and drop off in Reykjavik (Bus Stop 8)
  • Professional geological guide
  • Equipment such as helmets, headlamps, and gloves

Excludes

  • Food and drinks
  • Hiking boots

Important Information

  • Good physical condition and balance are required since there is no man-made path and climbing over boulders is necessary.
  • Hiking boots with ankle support are mandatory; a waterproof jacket is recommended because of dripping water inside the cave.
  • Temperature inside the cave is around 4°C even in summer, so dress warmly.
  • Age limit for participants is 15 to 65 years.

Cancellation Policy

You can cancel up to 24 hours in advance for a full refund.

For the best experience, wear durable hiking boots and warm layers. Booking in advance is recommended due to limited group size.

Frequently Asked Questions

It is a guided caving tour exploring a 500-meter lava tunnel near Reykjavik, focusing on geological features and lava formation.
The tour starts with a pick-up at Bus Stop #8, located at the Hallgrimskirkja parking lot in Reykjavik.
The tour is led by a professional geologist who provides insights into Icelandic volcanism and lava tunnel formation.
The lava tunnel adventure suits small groups comfortable with moderate physical activity and basic caving.
Helmets, headlamps, and gloves are all provided for the caving tour near Reykjavik.
Age requirements vary, so it's best to check the official website for specific age and safety guidelines.
The lava tunnel is approximately 500 meters long, offering a full guided exploration experience.
The tour operates year-round, but check the website for current hours and seasonal availability.
No prior experience is necessary, but moderate physical fitness is recommended for the guided tour near Reykjavik.
The tour includes a scenic drive from Reykjavik after pick-up at the Hallgrimskirkja parking lot, Bus Stop #8.

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