Ritajärvi nature reserve measures 127 hectares and is situated in Sastamala, 50 km from Tampere. The nature in the area diverse, with small wilderness lakes and natural forest. The area is quite rocky with some big erratic blocks along the way.
There is a cottage in the area for only schools and the municipal units to use, but the cottage yard, fire pit, pier and outhouse are free to use by anyone.
You can find trekking map here (in Finnish)