Raufarhólshellir Underground Adventure
Venture deep into Raufarhólshellir, one of Iceland's largest lava tunnels, exploring 1,360 meters of authentic caving terrain with hidden underground wonders illuminated only by headlamps.
This South Coast Tour and Caves of Hella takes you to spectacular locations most visitors never experience. Limited to 19 guests, this 10-hour adventure reveals Iceland’s secret waterfalls, ancient underground chambers, and glacier viewpoints while avoiding the crowded tourist hotspots. Your expert guide shares geological insights and local folklore throughout the journey.
The itinerary focuses on hidden treasures that showcase South Iceland’s raw beauty. Small group dynamics ensure personalized attention and flexibility, allowing deeper connection with each stunning location. If you prefer a private experience, consider our South Coast complete adventure or the Viking heritage and waterfalls tour.
Urriðafoss opens the adventure: Iceland’s most voluminous waterfall where the mighty Þjórsá River creates a broad cascade across basaltic ledge. Watch as massive water volumes generate spectacular displays and rainbow effects in the mist.
The Caves of Hella offer a journey into Iceland’s mysterious past. These ancient man-made chambers may predate Viking settlement, featuring carved crosses, wall engravings, and stone seats cut into the rock. Your guide shares theories about possible Celtic origins and the enigmatic people who created these underground sanctuaries.
Kvernufoss delivers a unique experience: a 30-meter cascade where you can walk behind the falling water. A moderate hike through pristine Icelandic terrain leads to this hidden gem, offering perspectives impossible at more famous waterfalls.
Sólheimajökull glacier provides a striking viewpoint showcasing an accessible glacier tongue. Witness firsthand the effects of climate change on Iceland’s ice caps while learning about ongoing glacial retreat and the landscape’s transformation.
The day concludes at Gluggafoss (Window Falls): a hidden cascade within a volcanic canyon. Multiple tiers of water flow through unique rock formations that frame the cascade like natural windows, creating photographic opportunities found nowhere else.
What’s Included: Expert guided small group tour for 10 hours, comfortable transportation, Reykjavík pickup, entrance to Caves of Hella, all parking fees throughout the day.
Not Included: Lunch, snacks, water, and drinks. Bring provisions or purchase along the route.
Requirements: Weatherproof clothing essential including rain jacket and potentially rain pants. Winter visitors should bring warm layers. Sturdy footwear recommended. Camera highly recommended for capturing hidden gems.
Good to Know: Year-round operation. Maximum 19 guests. Suitable for all ages. Duration 10 hours. No hard hiking required; some stops involve short walks on easy terrain and stairs. The cave visit may not suit those with severe claustrophobia—alternative tours available upon request. Dress in layers and bring weatherproof outer clothing regardless of season.
Venture deep into Raufarhólshellir, one of Iceland's largest lava tunnels, exploring 1,360 meters of authentic caving terrain with hidden underground wonders illuminated only by headlamps.
Walk through Iceland's largest accessible lava tube spanning 1,585 meters. Experience professional lighting, modern walkways, and expert geological insights in this family-friendly underground adventure.
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