Fondsbu lies at scenic Eidsbugarden on lake Bygdin. It has a vibrant environment and is popular with avid hikers. Here there also are challenges for summit seekers and for glacier hikers.

Fondsbu has 100 bunks; there are 17 rooms with two bunks and 10 with four bunks; and there are 26 bunks in two dormitories, in the main building (totally renovated in 1993) and in the annex (new in 1999). There are toilets, showers and a drying room in both buildings. Moreover, the rooms with two bunks in the main building have sinks with hot and cold water.