In the 2010 inventory, a Stone Age remnant of a house was found in the Kylmäluoma hiking area on the southern shore of Mustaperä. It stands out from the terrain in a rectangular depression measuring approximately 14 x 6.2 m in a south-west-northeast direction, with a depth of approximately 50 to 70 cm.
To the northeast of the depression is a fallen log, under which burnt rocks, quartz bumps and burnt bone were found. According to radiocarbon dating from burnt bone, the site was inhabited about 5,300 years ago. The destination is located in the Kylmäluoma hiking area and the path of the hiking area passes by.
From Kylmäluoma Hiking Center, the distance to the destination is about 3.5 kilometers.