Allmannberget is a mountain in the municipality of Oppdal in Sør-Trøndelag county, Norway. The 1,342-metre (4,403 ft) tall mountain sits about 3 kilometres (1.9 mi) southeast of the municipal center of Oppdal, easily seen from the European route E6 highway. The easiest hiking route is from the east-north-east. Drive on the gravel toll road from the E6 highway partially up the Olmdalen valley, then walk approximately 2.5 kilometres (1.6 mi) to the summit. There is a communication tower on the top of the mountain.