| Lej Nair | |||||
| Location: | Bernina Pass, Pontresina, Grisons | ||||
| Basin Countries: | Switzerland | ||||
| Elevation: | 2223m (7,293feet) | ||||
| Pushpin Map: | Canton of Graubünden#Switzerland#Italy#Alps | ||||
| Pushpin Label Position: | bottom | ||||
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Lej Nair (literally "black lake" in Romansh) is a small lake on Bernina Pass in the canton of Grisons, Switzerland. It is located near the summit of the pass, between Lago Bianco ("white lake") and Lej Pitschen ("small lake"). While Lago Bianco drains to the Adriatic Sea, Lej Nair and Lej Pitschen are part of the basin of the Inn River draining into the Black Sea.