Venture beneath Iceland’s rugged lava fields and explore the dramatic underground world of Raufarhólshellir Lava Tunnel, one of the country’s longest and most accessible lava tubes. Located just outside Reykjavík, this fascinating cave was formed during a volcanic eruption thousands of years ago, when flowing lava hardened on the surface while molten rock continued to carve tunnels below. Today, visitors can walk and crawl through the winding passages to witness colourful mineral formations, rugged lava walls, and dramatic geological structures shaped by Iceland’s powerful volcanic activity. During winter, the cave transforms into an icy wonderland filled with shimmering icicles, making the experience even more magical.
Highlights
Explore the spectacular lava tube formations inside Raufarhólshellir Lava Tunnel
Walk and crawl through underground volcanic passages and rock formations
Learn about Iceland’s volcanic history from a certified guide
Experience dramatic winter icicles inside the cave during colder months
Scenic journey through the lava fields near Reykjavík
Unique opportunity to explore a subterranean volcanic landscape
Practical Information
Location: Raufarhólshellir Lava Tunnel, about 30 minutes from Reykjavík
Tour Type: Guided caving tour inside a natural lava tube
Duration: Typically 3–4 hours, including transport (cave exploration ~1 hour)
Availability: Daily departures year-round
Included:
Certified guide
Caving gear (helmet, headlamp, and safety equipment)
Optional pickup from Reykjavík with Wi-Fi onboard
