Lake Obersee or "Upper Lake" enjoys a strategic location in the middle of a number of other lakes and rivers, including "Undersee" or "Lower Lake". It is especially famous because it is a popular destination for trails in the village of Arosa, and the most famous path to it begins from the Nevels area and then begins to climb towards the lake Which takes about two hours of time, and the right side of the lake that follows the path of the Sulzbach River is a popular camping site.