Bozkovské Dolomite CavesBozkovské Dolomite Caves

The dolomite caves with the largest underground lake in Bohemia.

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. 


Skalní Sruby Jizery Nature Monument

Bohemian Paradise

Mnichovo Hradiště, 295 01

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The geomorphologically attractive canyon formed by the right bank of the Jizera River is located two kilometres to the southwest from Mnichovo Hradiště. Because of the river erosion, well washed-out banks and chambers have been formed in the otherwise lime rock.

The river had formed a relatively narrow and deep bed. During the periods with plenty of water, the river would be spreading into the sides and erode under the banks. Despite the side erosion, the solid limestone rock did not collapse and the chambers still exist. The protected area is the right bank of the Jizera River, some 20 m high slope. Approximately 10 m above the valley line you can see the main chamber, whose depth varies between 2 and 5 metres and height equals 2 to 3 m. The chamber begins some 100 m before the mouth of the Zábrdka River and continues to the southeast for about 315 m.

Rock cabins in Jizera

The calcite sandstones around Jizera are called Jizera formation. It is more solid, fine grained, and with smaller porosity. Therefore their surface differs significantly from quartz sandstones, which are located higher and form the rock towns. Jizera grinds the rock wall with side erosion and at ice runs. It forms overhangs called the rock cabins.


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