Ådalsfjella is a mountain range in southern Norway.

It consist of a series of smaller peaks and mountains located within Ringerike in Buskerud county.

Ådalsfjella is a small mountain range which stretches from within Vestre Ådal in Ådal to Vassfaret bordering Sør-Aurdal in Oppland.

The mountain range lies between Lake Sperillen to the east and the valley of Soknedalen to the west.

This article about a mountain, mountain range, or peak in Buskerud is a stub.