
west-iceland · Iceland
Gjábakkahellir Lava Cave — Þingvellir
About Gjábakkahellir Lava Cave — Þingvellir
Step into Gjábakkahellir, a captivating lava tube cave near Þingvellir, where the earth's raw power is dramatically displayed. The dark, rugged interior, sculpted by ancient molten flows, leads to a bright opening revealing the contrasting green landscape outside. Witness unique rock formations and the smooth parabolic cross-section of this geological marvel.
History & Background
Gjábakkahellir has been a significant site in Iceland's landscape, a silent witness to the island's dynamic geological evolution. Formed by ancient volcanic eruptions, this lava tube cave is a direct result of Iceland's position on the Mid-Atlantic Ridge, where the North American and Eurasian tectonic plates diverge. The powerful volcanic activity, which sculpts Iceland's unique landscape of lava fields, hot springs, and geothermal areas, is beautifully encapsulated within the cave's formations, showcasing the raw power of nature over millennia. Throughout the years, this location has played an important role in Icelandic natural history, offering shelter and passage in a rugged land. While not steeped in specific historical events involving human habitation or significant cultural milestones, its very existence speaks to the continuous geological processes that define Iceland. It serves as a tangible link to the raw, untamed forces that shaped the island and continue to reshape it, making it a living museum of volcanic activity and a testament to the earth's enduring power.
Did You Know?
- ✔Iceland sits on the Mid-Atlantic Ridge where the North American and Eurasian tectonic plates meet
- ✔There are around 130 volcanic mountains in Iceland, about 30 of which are active
- ✔Iceland experiences a volcanic eruption roughly every 4-5 years on average
- ✔Volcanic activity has shaped Iceland's unique landscape of lava fields, hot springs, and geothermal areas
Tours Near Gjábakkahellir Lava Cave — Þingvellir
Best-rated Iceland experiences — book with free cancellation
Why Visit
Experience an authentic, less-crowded lava tube cave, perfect for hikers seeking raw geological beauty.
Did You Know?
Bring your own headlamp to fully appreciate the intricate lava formations and dark recesses of Gjábakkahellir's ancient volcanic tunnels.
The Outlaws' Refuge at Gjábakkahellir
Gjábakkahellir once served as a hiding place for outlaws in medieval Iceland. Legend says these outlaws were protected by hidden people who lived deeper in the cave. Some believe the spirits of the outlaws still guard their former refuge, and strange echoes heard in the cave are their whispered conversations from centuries past.
📖 Stories & Legends
Icelandic sagas and folklore from this area
Hidden Gems Nearby
Lava Formations Close-Up
Look carefully at the lava formations near Gjábakkahellir — each tells a story of how it cooled.
Rope lava, pillow lava, and columnar basalt each formed under different conditions, creating a geological textbook in stone.
Moss & Lichens
The moss and lichen growing on the volcanic rock are some of the first life to colonize new lava fields.
Some of these organisms grow less than 1cm per year, meaning the patches you see may be decades or centuries old.
Sunset Colors
The volcanic rock takes on incredible red and gold hues during sunset.
The iron-rich minerals in the lava glow in warm light, creating a photographer's paradise.
Practical Information
Best Time
Daytime for natural light at the entrance, but bring a headlamp for deeper exploration.
Duration
45 minutes – 1 hour
Access
Accessible via hiking trails near Þingvellir, some sections might be uneven. A standard car can reach the trailhead.
Frequently Asked Questions
Is there an entry fee for Gjábakkahellir Lava Cave?▾
Typically, there is no official entry fee for Gjábakkahellir itself, but it's part of a hiking area near Þingvellir, so parking fees at nearby facilities might apply.
What equipment should I bring to explore the cave?▾
It is highly recommended to bring a sturdy headlamp or flashlight, as the cave can be very dark. Warm layers and sturdy hiking boots are also essential due to uneven terrain and cool temperatures inside.
Is Gjábakkahellir suitable for children or those with limited mobility?▾
The cave involves uneven surfaces, loose rocks, and can be quite dark, making it challenging for very young children or those with limited mobility. It's best suited for active individuals.
How long does it take to explore Gjábakkahellir Lava Cave?▾
A typical visit to Gjábakkahellir, including the walk to and from the cave entrance, takes approximately 45 minutes to 1 hour, depending on your pace and how much you explore.
Can I explore the cave on my own, or do I need a guide?▾
Gjábakkahellir can be explored independently. However, for safety and a more informative experience, some visitors prefer to join guided tours, especially if they are unfamiliar with cave exploration.













