Petzoldův lom, Limestone quarry in Srbsko, Czech Republic.
Petzoldův lom is a limestone quarry on the left bank of the Berounka River between Srbsko and Karlstejn, displaying exposed Devonian rock layers and industrial structures. The excavated walls reveal multiple mineral bands and several preserved buildings, including a reflector tower used to light night operations.
C.T. Petzold and Company founded the quarry in 1916 to extract limestone for steelworks and sugar factories in the surrounding region. The operation later expanded into fertilizer production, shifting the focus of industrial activity.
The southeastern section held Sloupova Cave, a place where people lived thousands of years ago during the Stone Age, leaving behind tools and remains. Visitors walking through can still sense the connection between the cave deposits and the limestone landscape that shaped human settlement here.
The quarry is best explored on foot via walking trails along the Berounka River, which offer good views of the rock walls and preserved buildings. The area is relatively accessible, but the terrain is uneven and requires sturdy footwear and care near the edges.
A cave system was discovered beneath the site after 2000, extending over 700 meters and ranking among the longest underground networks in the region. This subterranean formation demonstrates how water has shaped limestone landscapes over geological time.
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