The Splügen Pass (German: Splügenpass; Italian: Passo dello Spluga; Romansh: Pass dal Spleia 2,114 m (6,936 ft)) is an Alpine mountain pass of the Lepontine Alps . It connects the Swiss, Grisonian Splügen 5 kilometres (3.1 mi) to the north 675 metres (2,215 ft) below the pass with the Italian Chiavenna 21 kilometres (13 mi) to the south at the end of the Valle San Giacomo 1,789 metres (5,869 ft) below the pass.

The pass road connects the Swiss Hinterrhein valley and Splügen in the canton of Graubünden with the Valle San Giacomo and Chiavenna in the Italian Province of Sondrio , the road continuing to Lake Como . The pass is the water divide between the drainage basins of the Rhine , which flows into the North Sea, and the Po, which flows into the Adriatic. The pass is overlooked by Pizzo Tambo and the Surettahorn , on its western and eastern side, respectively. On the Italian side of the pass is Montespluga, a small three street village that is cut off from both Italy and Switzerland during the winter.