Lyseren

LocationEnebakk (Akershus); Indre Østfold (Østfold)

Coordinates59°41′56″N 11°7′12″E / 59.69889°N 11.12000°E / 59.69889; 11.12000

BasincountriesNorway

Surface area7.00 km² (2.70 sq mi)

Lyseren
Lyseren
Location	Enebakk (Akershus); Indre Østfold (Østfold)
Coordinates	59°41′56″N 11°7′12″E / 59.69889°N 11.12000°E / 59.69889; 11.12000
Basin countries	Norway
Surface area	7.00 km2 (2.70 sq mi)
Shore length1	36.48 km (22.67 mi)
Surface elevation	161 m (528 ft)
References	NVE
1 Shore length is not a well-defined measure.

Lyseren is a lake in the municipalities of Enebakk in Akershus county and Indre Østfold in Østfold county, Norway.^[1]

Lake Lyseren has a key role in the murder mystery unfolding in the Norwegian detective thriller "The Leopard". Some episodes in the book feature police detectives from cosmopolitan Oslo coming to conduct investigations in the rural environment of Lyseren.^[relevant?]