Lago di Poschiavo is a natural lake in the Val di Poschiavo in the Swiss canton of the Grisons.
It lies at an elevation of 962 m, a length of 2.5 km, a surface area of 1.98 km2 and a maximum depth of 85 m. The lake is both fed and drained by the Poschiavino river and drains to the south, with its water eventually reaching the Mediterranean via the rivers Adda and Po.
