Around Karijoki stream there is a mixed bag of habitats that includes mires, pine forest and small waterlogged forests. Alongside the stream there is a haymaking meadow from times past. In the east part of the reserve lies a beautiful ravine 20–40 metres across. The area is 0.9 square kilometres in size.

To do:
  • Nature reserve

Vinsanlehto lies about 20 kilometres west of Korpilombolo. Logging roads between Gustavsberg and Narken pass through the reserve.