Litlahraunkirkjan is a psudocrater in Laxárdal lava field, close to the famous Laxá salmon river.
Watch out for the Huldufólk (Hidden People) that live amongst the lava
Take the track south from the carpark and then the east fork in the track after 70m
Walk east towards the cabin and Litlahraunkirkjan is on the north side of the track after about 30m
If someone is in the cabin drop by for a coffee, it's always great to meet people