Koněprusy Caves

Koněprusy Caves (Czech: Koněpruské jeskyně), also Zlatý kůň (Golden Horse), is a cave system in the Bohemian Karst in the Central Bohemian Region of the Czech Republic. It is located in the municipality of Koněprusy, about 25 kilometres (16 mi) southwest of Prague, 6 km (3.7 mi) south of Beroun. With the length of 2 km (1.2 mi) and vertical range of 70 m (230 ft), it is the largest cave system in Bohemia.