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Minerální prameny


Smraďoch (“Stinky“), which was declared a nature reserve in 1968, got its name because of the smell of rotten eggs caused by hydrogen sulphide. The hydrogen sulphide is discharged from numerous mofettes, which are places, where gases escape from the depths of the Earth during the final phase of volcanic activity and which resemble small mud volcanoes.

The Smraďoch Nature Reserve

Part of the protected area is accessible via a short nature trail made of wooden walkways, from which the mofettes are clearly visible. Together with carbon dioxide, hydrogen sulphide also bubbles up in a pond.

Chickweed wintergreen (Trientalis europaea)

Most of the mofettes were discovered here at the beginning of the 19th century, when peat was mined for use in spa treatments in the nearby Mariánské Lázně. The mining ceased in 1853 and Mother Nature again took control of the area. Today, many protected plants grow here, for example the common sundew, butterwort and common cranberry.

Black crowberry (Empetrum nigrum)

Common Spotted-orchid (Dactylorhiza fuchsii)

GPS position

N 50° 0.785', E 12° 42.993'