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Obersee
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Location	Arosa, Grisons
Coordinates	46°47′04″N 9°40′53″E / 46.78444°N 9.68139°E / 46.78444; 9.68139
Type	oligotrophic, dimictic
Basin countries	Switzerland
Max. length	390 m (1,280 ft)
Max. width	250 m (820 ft)
Surface area	7.1 ha (18 acres)
Average depth	7.3 m (24 ft)
Max. depth	13 m (43 ft)
Water volume	0.5 million cubic metres (410 acre⋅ft)
Surface elevation	1,734 m (5,689 ft)
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

• The railway station and cable car by the Obersee
• Obersee (November 2002)

See also

• List of mountain lakes of Switzerland

External links

• Winder, Monika (2002). "Zooplankton ecology in high-mountain lakes" (pdf). ETH Zurich.
• [REDACTED] Media related to Obersee at Wikimedia Commons

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