Tunel pod Dielikom, Protected ecological site near Muráň, Slovakia
Tunel pod Dielikom is a protected cave passage extending approximately 2 km between the Revúca and Rimavská Sobota districts. The tunnel maintains consistently damp conditions that support a sensitive ecological environment.
Railway construction began in January 1941 and finished just before the Slovak National Uprising of 1944. The project represents a key infrastructure development from this period in Slovak history.
The site serves as a critical winter refuge for multiple bat species in Central Europe. Visitors can observe how these animals have adapted to live in the damp conditions throughout the year.
The Muráň entrance still features metal barriers and supporting walls, while the alternate opening remains submerged in a construction pit. Access is limited and visitors should check conditions in advance.
The tunnel's constant dampness stems from water seepage through surrounding rock layers rather than external water sources. This geological feature created an ideal habitat for its wildlife long before the site gained protection.
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