Grindroa is a village in Ringerike Municipality, in Buskerud, Norway. Grindroa lies at 160 m above sea level, 4.6 km from the Holleia mountains. The nearest city is Oslo, 39 km to the east. Among the landmarks around are Hval Church (3.1 km), Veme Church (5.8 km) and Kistefos Museum and Sculpture Park (11.5 km). Among the natural features are Hønefossen (9.3 km) and Krokskogen (23 km).