Lesjaskogsvatnet is a lake in Lesja Municipality in Innlandet county, Norway. The 4.3-square-kilometre (1.7 sq mi) lake lies in the upper Gudbrandsdalen valley, between the villages of Lesjaskog and Lesjaverk. The European route E136 highway and the Raumabanen railway line both run along the north side of the lake.

Lesja is a municipality in Innlandet county, Norway. It is located in the traditional district of Gudbrandsdal. The administrative centre of the municipality is the village of Lesja. Other villages in the municipality include Bjorli, Lesjaskog, Lesjaverk, and Lora.