Opsal is a village in Lindesnes Municipality, in Agder, Norway. Opsal lies at 254 m above sea level, 12.1 km from the Setesdalsheiene mountains. The nearest city is Kristiansand, 36 km to the east. Among the landmarks around are Valle Church (12.2 km), Hogganvik runestone (16.1 km) and Øyslebø Church (9.5 km). Among the natural features are Melhusfossen (6.9 km) and Svolheia (8.0 km).