Stausee Gibidum

Stausee Gibidum (Gibidum reservoir or "Stausee Gebidem") is a reservoir in the canton of Valais, Switzerland. Its surface area is 0.21 km², shared by the municipalities of Naters and Riederalp.

Stausee Gibidum
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Location	Valais, Switzerland
Coordinates	46°22′22″N 8°0′10″E / 46.37278°N 8.00278°E / 46.37278; 8.00278
Type	reservoir
Primary inflows	Aletsch Glacier, Massa
Primary outflows	Massa
Catchment area	150.3 km2 (58.0 sq mi)
Basin countries	Switzerland
Surface area	0.21 km2 (0.081 sq mi)
Max. depth	104 m (341 ft)
Water volume	9.2×10^6 m3 (320×10^6 cu ft)
Surface elevation	1,436.5 m (4,713 ft)

The construction of Gebidem dam was started in 1964 and completed by 1967. The arch dam has an elevation of 122 m and a crest length of 327 m.