Iceland, renowned for its dramatic landscapes, glaciers, and volcanoes, also hides another breathtaking secret beneath its rugged surface: spectacular caves. Whether formed by ancient lava flows, glacial movement, or tectonic shifts, Iceland’s caves offer extraordinary adventures accessible to travelers. With the freedom of a rental car from Blue Car Rental, you can effortlessly journey to these hidden gems at your own pace.
Here’s your ultimate guide to Iceland’s most spectacular caves—easily accessible by rental car and perfect for unforgettable exploration.
Why rent a car to explore Iceland’s caves?
Renting a car grants flexibility, independence, and direct access to remote cave sites scattered across the country. Many of Iceland’s most fascinating geological locations lie far from the main tourist hubs. Having your own vehicle is essential for reaching these underground wonders and the journey is just as spectacular as the destination.
Want to know how Iceland’s unique landscape came to be filled with lava tunnels and rift valleys? Dive into our article on How Iceland Was Formed to better understand the power behind this dramatic terrain.
Best Icelandic caves accessible by car
1. Vatnshellir Cave: Journey to the center of the Earth
Location: Snæfellsnes Peninsula
Distance from Reykjavík: Approximately 2.5 hours (195 km)
Vatnshellir Cave, located in Snæfellsjökull National Park, is one of Iceland’s most accessible lava caves. Visitors descend 35 meters underground into an 8,000-year-old lava tunnel. Fun fact, this experience that inspired Jules Verne’s Journey to the Center of the Earth.
- Driving Tips: Accessible via paved roads on the Snæfellsnes Peninsula.
- Parking: Ample parking available near the cave entrance.
- Local Tip: Make the most of your self-drive in this region with our Kirkjufell Mountain Guide, located just a short drive away and one of Iceland’s most iconic photo spots.
2. Leiðarendi Cave: A stunning lava tunnel
Location: Near Reykjavík (Bláfjöll Mountains)
Distance from Reykjavík: 25 minutes (22 km)
Leiðarendi Cave offers a raw and adventurous lava tube experience close to the capital. With colorful rock formations and eerie darkness, it's an exciting destination for first-time cave explorers.
- Driving Tips: Take Route 417 toward Bláfjöll ski area easily accessible with a rental car.
- Parking: Small parking area near the cave entrance.
- Local Tip: This cave sits near the boundary of the North American and Eurasian tectonic plates. Want to learn more about Iceland’s shifting geology? Check out our guide on Where to See Tectonic Plates in Iceland.
3. Víðgelmir Cave: The largest lava cave in Iceland
Location: West Iceland, near Húsafell
Distance from Reykjavík: 2 hours (150 km)
Víðgelmir is the largest lava cave in Iceland and features a guided tour with wooden walkways, making it one of the most comfortable caves to explore with family or beginners. Inside, you’ll find ice sculptures, lava stalactites, and fascinating mineral colors.
- Driving Tips: Follow Route 1 and turn onto Route 518 toward Húsafell.
- Parking: Well-marked and spacious parking area.
- Local Tip: Combine your cave visit with a glacier adventure at nearby Langjökull. The entire region is a dream for geology lovers and adventure seekers.
4. Raufarhólshellir: Easy access lava tube
Location: South Iceland, near Reykjavík
Distance from Reykjavík: 35 minutes (30 km)
Raufarhólshellir is one of Iceland’s longest and most accessible lava tubes. A professionally guided tour leads you through a beautifully lit tunnel system, revealing collapsed ceilings, natural skylights, and striking lava formations.
- Driving Tips: Easily reachable via Route 39.
- Parking: Spacious parking lot right by the entrance.
- Local Tip: This cave is open year-round and suited for most visitors, including families. Making it a top pick for travelers on a quick Reykjavík-based self-drive itinerary.
5. Grjótagjá Cave: A geothermal wonder
Location: North Iceland, near Lake Mývatn
Distance from Reykjavík: 6 hours (470 km)
Grjótagjá is a small geothermal cave famous for its steamy waters and cinematic fame. Although swimming is no longer allowed due to fluctuating temperatures, it remains a favorite stop—especially for fans of Game of Thrones, which used the cave in a memorable scene.
- Driving Tips: Located just off Route 860, near Mývatn.
- Parking: Free parking nearby with a short walking path to the cave.
- Local Tip: Interested in Iceland’s film locations? Explore more sites featured in shows and movies in our post on Iceland's Most Famous TV & Movie Locations.
Essential tips for visiting Iceland’s caves by car
Dress Appropriately
Caves can be cold and wet all year round. Dress in waterproof outerwear, thermal layers, sturdy hiking boots, and gloves. Not sure what to pack? Our What to Wear in Iceland with a Rental Car blog has all the practical tips you need to stay warm and dry on the go.
Guided tours recommended
Many caves in Iceland require guided tours for safety and preservation reasons. Be sure to book in advance, especially during peak seasons.
Safety first
Always follow safety instructions, use proper lighting, and stay on marked paths. With Blue Car Rental, you can choose from a wide range of vehicles suited for Iceland’s terrain, giving you peace of mind no matter where the road leads.
Why renting with Blue Car Rental makes your cave exploration easier
Whether you're venturing into volcanic tunnels or exploring geothermal marvels, having a dependable vehicle is essential. At Blue Car Rental, we offer a wide range of modern, reliable cars, including 4x4 options ideal for Iceland's diverse terrain. Renting a car gives you the freedom to explore these hidden underground treasures at your own pace and turn your Icelandic road trip into an unforgettable adventure.
