west-iceland · Iceland
Gjábakkahellir Cave
Historic lava cave used by outlaws in medieval times, accessible for self-guided exploration near Reykholt. Caves have played important roles in Icelandic history and folklore, serving as shelters, storage spaces, and the settings for countless legends about trolls and hidden people.
About Gjábakkahellir Cave
Historic lava cave used by outlaws in medieval times, accessible for self-guided exploration near Reykholt. Caves have played important roles in Icelandic history and folklore, serving as shelters, storage spaces, and the settings for countless legends about trolls and hidden people.
History & Background
This site in West Iceland was formed through Iceland's volcanic processes, likely as a lava tube created when the outer surface of a lava flow cooled and hardened while molten rock continued flowing inside. Iceland's caves have served humans since the settlement era — archaeological evidence shows that early settlers used caves as shelters, storage spaces, and even as hiding places during times of conflict. Icelandic folklore is rich with stories about caves, often portraying them as dwellings of trolls, hidden people (huldufólk), or outlaws. Some caves, like Surtshellir, have archaeological remains dating back to the 10th century. Today, caves like this offer visitors a glimpse into Iceland's geological history and cultural imagination.
Key Facts
- ✔360-metre lava tube
- ✔Medieval outlaw hideout
- ✔Grettis Saga connection
- ✔Free self-guided access
- ✔Headlamp required
Tours Near Gjábakkahellir Cave
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Book NowAbout Gjábakkahellir Cave
Historic lava cave used by outlaws in medieval times, accessible for self-guided exploration near Reykholt. Caves have played important roles in Icelandic history and folklore, serving as shelters, storage spaces, and the settings for countless legends about trolls and hidden people. In medieval Iceland, outlaws declared útlagr faced brutal punishment if caught. Some fled to remote caves like Gjábakkahellir, living like trolls in the darkness. The cave's name refers to the outlaw Grettir the Strong from Grettis Saga, though there's debate whether he actually hid here. Today you can crawl into the same chambers where desperate men once sheltered, headlamp illuminating lava walls untouched for centuries. It's free, dark, and atmospheric — bring lights and caution. Visitor Information: This site is located in West Iceland, Iceland. As a cave, it provides visitors with a distinctive experience of Iceland's remarkable natural and cultural heritage. What to Expect: - A unique cave experience in one of Iceland's most scenic regions - Opportunities for photography and exploration - Connection to Iceland's natural landscape and cultural heritage - Accessible during the main tourist season (June-September) - Can be combined with other nearby attractions in West Iceland Best Time to Visit: The site is most accessible during summer months (June-August) when daylight hours are longest and weather is mildest. However, each season offers its own unique character — winter brings possible Northern Lights, while spring and fall offer fewer crowds. Nearby: Explore other attractions in West Iceland to make the most of your visit to this beautiful region of Iceland.

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Book NowHistory & Background
This site in West Iceland was formed through Iceland's volcanic processes, likely as a lava tube created when the outer surface of a lava flow cooled and hardened while molten rock continued flowing inside. Iceland's caves have served humans since the settlement era — archaeological evidence shows that early settlers used caves as shelters, storage spaces, and even as hiding places during times of conflict. Icelandic folklore is rich with stories about caves, often portraying them as dwellings of trolls, hidden people (huldufólk), or outlaws. Some caves, like Surtshellir, have archaeological remains dating back to the 10th century. Today, caves like this offer visitors a glimpse into Iceland's geological history and cultural imagination.

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Book NowStory & Folklore
In medieval Iceland, outlaws declared útlagr faced brutal punishment if caught. Some fled to remote caves like Gjábakkahellir, living like trolls in the darkness. The cave's name refers to the outlaw Grettir the Strong from Grettis Saga, though there's debate whether he actually hid here. Today you can crawl into the same chambers where desperate men once sheltered, headlamp illuminating lava walls untouched for centuries. It's free, dark, and atmospheric — bring lights and caution.

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Book NowVisitor Information
Best Time
Year-round with guided tours; summer for longer access windows
Duration
1-2 hours with a tour
Access
Guided tours recommended. Proper footwear required.
Why Visit
Explore an outlaw's hideout from medieval sagas — free lava cave you can crawl through with headlamp, history and adventure combined.
Hidden Gems Nearby
Rock Formations
Look up and around at the variety of rock formations — stalactites, lava shelves, and color variations.
Each formation tells a story about how the cave was created and modified over thousands of years.
Silence Experience
If your guide allows a moment of silence with lights off, embrace it — cave darkness is absolute.
True darkness is increasingly rare in our illuminated world, and the cave silence is profoundly peaceful.
Practical Information
Best Time
Year-round with guided tours; summer for longer access windows
Duration
1-2 hours with a tour
Access
Guided tours recommended. Proper footwear required.
Frequently Asked Questions
Do I need a guide to visit?▾
Guided tours are recommended for most caves in Iceland for safety and to learn about the geological formations.
What should I bring?▾
Wear warm clothing and sturdy shoes. Tour operators provide helmets and headlamps. Bring a camera for the incredible formations.