| Melchsee | |||||
| Location: | Obwalden | ||||
| Coords: | 46.7725°N 8.2725°W | ||||
| Type: | reservoir, natural lake, oligotrophic | ||||
| Catchment: | 5.9km2 | ||||
| Basin Countries: | Switzerland | ||||
| Area: | 54ha | ||||
| Max-Depth: | 18m (59feet) | ||||
| Elevation: | 1891m (6,204feet) | ||||
| Pushpin Map: | Canton of Obwalden#Canton of Bern#Canton of Valais#Switzerland#Alps | ||||
| Pushpin Label Position: | bottom | ||||
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Melchsee is a lake in the canton of Obwalden, Switzerland. It lends its name to the resort Melchsee-Frutt, in the municipality of Kerns. At an elevation of 1891 m, its surface area is 54ha.