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Lac du Ballon

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Type  glacial
Surface area  0.08 km (0.031 sq mi)
Surface elevation  988 m
Volume  0.00107 km³
Outflow location  Ill
Basin countries  France
Max. depth  20 m (66 ft)
Area  8 ha
Catchment area  150 ha
Lac du Ballon idataoverblogcom1939360HAUTESVOSGESBallo
Primary outflows  Belchenseebach → Lauch → Ill
Water volume  1,070,000 m (870 acre·ft)
Similar  Grand Ballon, Lac des Perches, Lac Noir, Ill, Schiessrothried

Lac du ballon alsace

Lac du Ballon is a reservoir in Haut-Rhin, France. It's situated in a side valley of florival, on the slope of Grand Ballon mountain. At an elevation of 988 m, its surface area is 0.08 km².


Map of Lac du Ballon, 68610 Lautenbachzell, France

The small glacial lake was enlarged by a dam on the moraine already in the 16th century. In 1699, Vauban had it refurbished to supply canals for the building of Neuf-Brisach. The remainders of this dam were destroyed by flooding in 1740 and 1778.

In 1869, manufacturers dug a gallery to the lake bottom to increase the usable water height. Until 1955, the rock ground became leaky.

1966–1968 the lake was tightened, the dam heightened again, with a flood spillway at the left end. The old gallery was backfilled, a new bottom outlet with a valve tower built. In 2000, the dam and the lake shore were masoned, the dam top fixed with concrete.

The lake provides fresh water supply and flood protection for the Lauch valley and the town of Guebwiller.

Chill out au lac du ballon


Lac du Ballon Wikipedia

Similar Topics
Grand Ballon
Lac des Perches