Explore the magnificent lava tunnel raufarhlshellir one of the longest and best known lava tubes in iceland it is located just 30 minutes from reykjavik and is easily accessed all year round a journey into raufarhlshellir is a unique experience and a great opportunity to witness the inner workings of a volcanic eruption as one walks in the path of lava that flowed 5200 years ago this tour is for the adventure seeker and takes you all the way to the end of the tunnel where magnificent lava