[6] The historical population is given in the following chart:[7] The Alte Landbrücke (Old Bridge) and the Säumerherberge (mule drivers hostel) Weiss Kreuz are listed as Swiss heritage sites of national significance.

[8] In 1995, the Swiss Heritage Society bestowed the Wakker Prize on the village of Splügen.

The prize description notes that Splügen had reached a notable compromise between preservation and tourism.

The old town was strictly protected to maintain the original appearance, while rational zone planning allowed development to occur outside the old village.

The wettest month was May during which time Hinterrhein received an average of 194 mm (7.6 in) of precipitation.