Nature Reserve along the confluence of the Teplá and Studená Vltava rivers by the railway station Černý Kříž. Large peat-bogs covering an area of 283 ha, with clumps of old trees, some more than 300 years old. The peat goes down to a depth of 7 m, is alive and constantly spreads into the surrounding woodland. The territory is out of bounds and can be observed only from the edge.