Längelmävesi is a lake in southwestern Finland. The lake is located mostly in the Pirkanmaa region at an elevation of 84.2 metres. Längelmävesi is within the municipalities of Jämsä, Kangasala, Kuhmalahti, and Orivesi.
Wikipedia https://en.wikipedia.org/wiki/Längelmävesi
Address 35220, Finland
Coordinates 61°34'3.315" N 24°25'30.195" E