Paavolan tammi, Protected oak tree in Lohja, Finland
Paavolan tammi is a protected oak tree in Lohja's forest that grows to about 12 meters tall with a trunk circumference of roughly 670 centimeters. It stands among spruce trees and serves as the centerpiece of a forested area developed with an educational path.
The tree received protected status in 1994 as part of Finland's national grove protection program to safeguard forest heritage. This designation preserves a woodland area that holds ecological value for the region.
The oak serves as a destination along a nature trail with 15 educational stations where visitors learn about local plants and animals. Walking the path connects the experience of viewing the ancient tree with understanding the forest around it.
Visitors can park at the old school yard at Pietiläntie 23 and follow the one-kilometer nature path to reach the tree. The route is well marked and leads through woodland that is easy to explore on foot.
The tree is estimated to be between 300 and 400 years old and grows in limestone-rich soil that supports the region's plant diversity. This age makes it a rare witness to natural development across several centuries.
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