位于上Engadine 的一个村,叫 Grisons,和 sits 河一起,汇成 Grisons河。. Lake Silvaplana is overlooked by several mountains over 3,000 metres, notably Piz Corvatsch, Piz Julier and Piz Surlej. The lake's drainage basin culminates at Piz Corvatsch (3,451 m) and comprises several glaciers, the largest being the Vadret dal Tremoggia.