Kamencové jezero () is a lake in the municipal area of Chomutov, Czech Republic.Czech tourism site It is artificial in that it came into being due to 18th century mining.Kampocesku
Kamencové jezero, at an altitude of , was caused at the end of the 18th century by flooding the mines used between the 16th and 18th centuries. It occupies an area of 15.95 ha and the maximum depth is 3.4 m.
The high content (about 1%) of alum in the water from Kamencové jezero prevents the lake from the growth of weed and anabaena. For that reason it is very frequently visited in the summer months.
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