Øyeren
Øyeren
Map of Øyeren and surrounds
Location	Akershus and Østfold counties, Norway
Coordinates	59°51′26″N 11°09′48″E / 59.85722°N 11.16333°E / 59.85722; 11.16333
Type	natural lake
Primary inflows	Glomma
Primary outflows	Glomma
Catchment area	40,441.63 km2 (15,614.60 sq mi)
Basin countries	Norway
Surface area	84.74 km2 (32.72 sq mi)
Average depth	14 m (46 ft)
Max. depth	76 m (249 ft)
Water volume	1.19 km3 (0.29 cu mi)
Shore length1	165.47 km (102.82 mi)
Surface elevation	101 m (331 ft)
References	NVE
Ramsar Wetland
Official name	Nordre Oyeren
Designated	24 July 1985
Reference no.	307[1]
1 Shore length is not a well-defined measure.

Øyeren is a lake in the Glomma River watershed, southeast of the city of Lillestrøm. It is located within the municipalities of Enebakk, Lillestrøm, and Rælingen in Akershus county and Indre Østfold municipality in Østfold county.

Lake Øyeren is the ninth largest lake by area in Norway with a surface area of 84.7 square kilometers (32.7 square miles). It is 101 meters (331 feet) above sea level and 76 meters (249 feet) deep.

The name

The name of the lake (Norse Øyir) is derived from øy f 'island; flat and fertile land along a waterside'.

Nordre Øyeren nature preserve

An area that includes parts of the northern ("nordre") end of the lake is an established nature preserve, listed as a Ramsar site.

References

External links

• Øyeren information center (Norwegian )
• Nordre Øyeren natur preserve (Norwegian )
• Ramsar Sites Information on Nordre Øyeren (English )

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