Høydalsmo is a village in Tokke Municipality in Telemark county, Norway. The village is located along the north shore of the lake Oftevant in the northeastern part of the municipality. The European route E134 highway runs through the village. The village area has about 300 permanent residents. The village of Dalen lies about 15 kilometres to the southwest and the village of Åmot lies about 15 kilometres to the northwest. Høydalsmo is known for its skiing facilities.