Olvassuo Strict Nature Reserve is a strict nature reserve that encompasses 71 square kilometres in the Northern Ostrobothnia and Kainuu regions of Finland. It is situated inside a larger, 270 km2 protected area.
The reserve is part of Natura 2000 and Ramsar programmes.
Wikipedia https://en.wikipedia.org/wiki/Olvassuo_Strict_Nature_Reserve
Coordinates 65°8'51.425" N 27°9'11.668" E
