Aumakivi is a tor corestone. It is a piece of granitic bedrock that has been preserved after surrounding rocks have disintegrated due to weathering. The weathering process is particularly strong in hot and humid climate. Finland enjoyed such a climate just several tens of millions of years ago. The granite of Aumakivi is 1900 million years old and the formation of the tor happened some 70 to 20 million years ago. 

Nearby attractions: Annelid traces in sandstone, The tor formations of Aumakalliot, The Kivijata of Huhtakorpi, Kaivolammi lake, Springtime in Peräkorpi, The southern end of Kivijata boulder field, Kivijata stone field, Kivijata then and now, The highest post-glacial shoreline, The Lauhankangas highest shoreline, Old sandstone mining pits of Korsukangas, The boulder field of Korsukankaan kivijata, Kuivajärvi - a lake that disappears, The day trip hut of Kärkikeidas, Lauhanvuori National Park, The observation tower of Lauhanvuori, Lauhanvuori-Hämeenkangas Geopark, The lean-to shelter of Leikkistenkangas, Wild Forest Reindeer camera, The seasonal wetland of Peräkorpi, Duckboard trail on the Peräkorpi spruce mire, Lake Spitaalijärvi

Coordinates (WGS84): 62.11431, 22.09547

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Keywords: Geosite, Virtual information panel, Isojoki