Grønset is a village in Sigdal Municipality, in Buskerud, Norway. Grønset lies at 379 m above sea level, 0.7 km from the Holtefjell mountains. The nearest city is Kongsberg, 31 km to the south. Among the landmarks around are Blaafarveværket (13.9 km), Flesberg Stave Church (15.6 km) and Rollag Stave Church (23 km). Among the natural features are Haugfoss (13.7 km) and Snarumselva (15.8 km).