 The Värikallio rock paintings are on a cliff near the eastern end of Lake Somerjärvi in the Hossa Hiking Area.Discovered in 1977 by two skiers, it is one of the two northernmost sites of rock art in Finland, as well as one of the largest collections with over 60 figures discerned.The human images at Värikallio are notable for exhibiting triangular heads (seen at only two other sites), and for a human figure with horns.