Thoroughly explore the wonders of Iceland during this tour that combines lava caving and snorkelling. Join an experienced guide and trek through the Raufarholshellir Lava Tunnel, then slip into the clear waters of the Silfra Fissure for an unforgettable underwater adventure.

Following convenient pick-up in Reykjavik, venture below the surface of the earth as you explore the Raufarholshellir lava cave. Follow a guide beneath one of Iceland's many lava fields, making your way through a natural lava tube. Here, discover and learn about incredible geological formations created by volcanic activity that have transformed the subterranean scene into a moon-like landscape.

Grab lunch on your own before regrouping and heading to the heart of Thingvellir National Park, where the Silfra Fissure lies. As you submerge yourself in the calm, glacial current, be amazed by the incredible clarity of the freshwater around you. Drift lazily between the North American and Eurasian continents, drinking in sights of jagged rock faces stretching into the depths, all coloured innumerable shades of blue. After your relaxing swim, get dried off and head back to Reykjavik to end your day.