| Lej Nair | |||||
| Location: | Silvaplana, Engadin, Grisons | ||||
| Coords: | 46.4708°N 9.8186°W | ||||
| Basin Countries: | Switzerland | ||||
| Elevation: | 1864m (6,115feet) | ||||
| Pushpin Map: | Canton of Graubünden#Switzerland#Italy#Alps | ||||
| Pushpin Label Position: | bottom | ||||
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Lej Nair (literally "Black Lake") is a lake above Silvaplana in the Engadin valley, Grisons, Switzerland.
A hiking trail leads from Lej Marsch to Lej Nair. Hahnensee (Lej dals Chöds) and Lej Zuppo are located close by.