Obersee (Arosa)

Obersee
Location	Arosa, Grisons
Coordinates	46°47′04″N 9°40′53″E / 46.78444°N 9.68139°E / 46.78444; 9.68139Coordinates: 46°47′04″N 9°40′53″E / 46.78444°N 9.68139°E / 46.78444; 9.68139
Lake type	oligotrophic, dimictic
Basin countries	Switzerland
Max. length	390 m
Max. width	250 m
Surface area	7.1 ha
Average depth	7.3 m
Max. depth	13 m
Water volume	0.5 mio m³
Surface elevation	1734 m
Frozen	5-6 months

Obersee ("upper lake") or Oberer Arosasee is the lake in the center of Arosa, a resort in the Grisons, Switzerland. The lake has a surface area of 7.1 ha (18 acres) at an elevation of 1734 m. Arosa's lower lake (Untersee) is at 1691 m.

Gallery

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  The railway station and cable car by the Obersee

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  Obersee (November 2002)

External links

• Winder, Monika (2002). "Zooplankton ecology in high-mountain lakes" (pdf). ETH Zurich. http://e-collection.ethbib.ethz.ch/ecol-pool/diss/fulltext/eth14519.pdf. Retrieved 2007. 
• Media related to Obersee at Wikimedia Commons