Repovesi National Park is located in the edge zone of the rapakivi area of ​​south-eastern Finland. The bedrock is mainly garnet-containing microcline granite. There is rapakivi granite in the southern part of the area. According to age determinations, rapakivi granite magma has penetrated the over 1.8 billion years old granite bedrock about 1.65 billion years ago.

The bedrock of the Repovesi area and its immediate surroundings is special in structure. On a larger scale, the bedrock has ring structures and, in addition, the area is characterized by large height differences and the splitting characteristic of granite rocks, which manifests itself as block surfaces perpendicular to each other and as wider fracture zones. This structure is due to the older bedrock and the rapakivi granite magma that has penetrated beneath it, which together with the crustal movements, the rock characteristics of the area and the effects of ice ages and erosion have created the topography of the area and the shapes of lakes, ponds and cliffs. The area is also characterized by the deterioration typical of some rapakivi granites, ie the crumbling of the rapakivi in place.

A Stone Age rock painting has been found on Olhava cliff The modest painting, which contains a palm print and a few smaller spots of color, dates from about 3600 to 2500 BC. The rock paintings are protected by the Ancient Monuments Act.

Nearby attractions: Climb the heights , Protect the environment while hiking

Coordinates (WGS84): 61.18535, 26.83839

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