Cerknica

2 45.76°, 14.36° N
About location

Cerknica lies along the Cerkniško polje karst plain, where Lake Cerknica periodically spreads across a broad enclosed basin beneath wooded hills. This remarkable lake is one of Slovenia’s defining karst phenomena: water enters and leaves through sinkholes and underground channels, alternately covering the plain and revealing meadows and fields. Cerknica stands on the eastern side of the basin in Inner Carniola, a region shaped by limestone plateaux, caves and shifting watercourses. The lake’s unusual behaviour was recorded by the Carniolan polymath Johann Weikhard von Valvasor in his 1689 work, The Glory of the Duchy of Carniola. It remains a key landscape for understanding the hydrology of Slovenia’s karst country.

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