The Jöriseen with the different colors. Water from the darkest lake flow into the whitest lake. 

Higher up on the right side are the Upper Jöriseen. You can visit them if you cross from the Wägerhus over the Winterlücke Pass.

From Wikipedia, the free encyclopedia

The Jöriseen are a group of Alpine lakes located west of the Jörifless Pass, east of the Jöriflüelafurgga Pass and north of the Flüela Wisshorn, in the Swiss canton of Graubünden. The largest lake has an area of 0.095 km² and is located at 2,489 metres above sea level. They are located in the municipality of Klosters.

See also  https://map.wanderland.ch/?lang=de&bgLayer=pk&layers=Wanderwegnetz&resolution=2.5&X=792915&Y=183573