Foto: Lovisa GustafssonGeology
In the northern part of Stenshuvud National Park, a large shingle field splays out into the hornbeam forest. Here you will find preserved ridges from the postglacial high coastline, at 32 metres above the current sea level.
The mountain itself is an inselberg, an isolated mountain formed when surrounding, more easily eroded types of bedrock fell away over millions of years. The mountain mainly consists of granite. In some places the granite is coarse-grained, with large quartz and feldspar crystals. There also are pegmatite dikes here containing radioactive minerals. Along the precipices, there are landslide sections where erosion continues to occur at a very slow pace.
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