Prachovské skály (rocks)Prachovské skály (rocks)

The Prachovské Skály nature preserve is one of the most popular regions in the Czech Republic. It is one of the oldest nature preserves in the country. 


The Hruboskalsko is one of the best-known rock formations. It is characterised by impressive towers reaching up to 55 m and also by steep canyons. 

Bozkovské Dolomite CavesBozkovské Dolomite Caves

The dolomite caves with the largest underground lake in Bohemia.


U Naděje Dam

Lusatian Mountains

Mařenice, 471 56

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The dam named U Naděje is situated several kilometres to the south from Mařenice, in a deep forest valley of the Hamerský Brook.

It was built in 1938 to supply power for the sawmill in Hamr. The water used to flow to the sawmill through an 8-kilometre-long underground pipeline. The water area is 1.2 hectares; in summer, the water usually has an interesting green-and-blue colour. The conditions for swimming are excellent except that the water is often very cold. Not far from the dam, there is an ice cave, the only of this kind in Bohemia.

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