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UnderWorld – Leiðarendi Caving Tour

Go Underground in Leiðarendi Cave

Description of the Leidarendi Cave Tour

We will enter through narrow cave entrances and find they open out to reveal an extraordinary scenery of lava formations and unexpected colours.You will see natural stalactites and different rock formations making this an experience of majestic and almost indescribable beauty. The cave becomes wide and high in some places and with an even floor. However, the trip can also be tricky at times, since you need to crawl in a few places.We recommend you wear good walking shoes or hiking boots which are suitable for walking on uneven lava surfaces.After exploring the cave we will devote some time on the way back to Reykjavík to visit wooden racks where fish has been hanged up. This is a traditional method of fish preservation, simply allowing the cold wind and sun to dry it.Dry fish, or stockfish (in Icelandic, “harðfiskur”), has been a popular food in Iceland throughout the centuries. This stop is also a great photo opportunity.

The Dead Sheep

The cave’s name translates to “End of the Journey”. It was so named because the carcass of a dead sheep which reached its “End of Journey” and is found at the far end of the cave.It is likely that the sheep fell into the cave through a shakehole and was not able to climb out of it.Cave Leidarendi is about 900 metres long and it is situated in a lava field near a volcanic crater south-east of the town of Hafnarfjordur. It was first mapped in 1992.Stori-Bolli (Big-Cup), is a rather handsome crater and is about 150 metres in diameter. From the crater flowed its namesake lava field, Stora-Bollahraun and the lava tube Leidarendi was created within this.We will drive nearby the crater to see it. It only takes 25-30 minutes to drive to the cave from Reykjavik and the cave’s entrance is just a short distance from the road.

On All Fours

This tour is suitable for all who can walk on uneven surfaces and at times, on all fours.The cave’s ceiling and walls are broken or collapsed in very few places and it is therefore easy to navigate. Although sometimes the cave’s ceiling gets a bit low so at times you might have to crawl for a short distance.Leidarendi lava tube is considered to be a subterranean wonder world. The entrance is a small pit that leads down into the cave; the cave itself runs in both directions and connects in two parts so it runs as a line with a circle in the middle.


We’ll be using torches and not headlights. There are a few reasons for that, mainly because headlights are weaker than torches and it is difficult to point them in the correct direction.


Book Here


Price from

9.900 ISK per person

Tour type

Day Tour Reykjavík


  • Leiðarendi Cave
  • Caving


All Year



Departure time

08:00 and 13:00 (summer)


3,5 Hours


icon v Guided Tour

icon v Transportation

icon v Caving equipment; Torch, gloves and helmet


  • This tour is not suitable for young children, people with claustrophobia or people that are not in reasonable physical condition
  • Due to weather and/or road conditions we might have longer journey time or cancellation of the tour

Meeting point: Free hotel pick up

Torches: We’ll be using torches and not headlights.

We recommend you bring

  • Warm clothing
  • Good shoes
  • Water bottle

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