Flensjøen

infobox_lake
lake_name = Flensjøen
basin_countries= Norway
location = Røros (Sør-Trøndelag); Os (Hedmark)
inflow =
outflow =
area = 3.41 km²
elevation = 780 m
residence_time =
shore = 12.89 km
depth =
max-depth =
volume =
coords = coord|62|23|12|N|11|46|14|E|region:NO_type:waterbody_scale:200000|display=inline,title
cities =
islands =
reference = NVE

Flensjøen is a lake in the municipality of Røros in Sør-Trøndelag county as well as Os in Hedmark county, Norway.

ee also

*List of lakes in Norway