Punamultalukko, Kettle sinkhole in Kangasala, Finland
Punamultalukko is a kettle sinkhole located in Kangasala, Finland. The pit drops sharply downward with steep edges, bare soil at the bottom, and dense spruce forest growing closely around it.
The formation was shaped by natural ground movements over a long period of time. In recent decades, efforts have been made to give the site official protection, though that process took many years to move forward.
The name Punamultalukko comes from the reddish soil around the hole. When you visit, you see the red tones of the ground against the green of the trees.
A narrow trail leads from a small parking area to the sinkhole, and the last section can be steep and rutted. Sturdy footwear is helpful, and visitors should stay back from the edges since the ground there can be soft.
The site sits within a natural protection zone, which means construction nearby is tightly restricted. A plan to install a small water pump station inside this protected area once brought renewed attention to the site from local authorities.
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