The Totesee (designation on the Swiss national map), more commonly Totensee, is a 0.27 km² large[1] reservoir in the canton of Valais on the Grimsel Pass on the border with the canton of Bern. The lake is 2160 m above sea level. M. right on the watershed between the North Sea and the Mediterranean. At a maximum depth of 34 m, it has a volume of around 2.6 million m³.