Winnipegosis, Lake, 5370 km2
, 195 km long, elev 254 m, maximum depth 12 m, Canada's eleventh-largest lake, is located in west-central Manitoba. It drains approximately 49 825 km2
of western Manitoba and eastern Saskatchewan, drawing most of its waters from the Manitoba Escarpment - in particular Riding Mount, Duck Mount, Porcupine Hills and the Pasquia Hills - and discharging them through the Waterhen River at an average annual rate of 80.9 m3
/s into LakeMANITOBA
, and thence into Lake WINNIPEG
. Its interesting name is derived from 2 sources: win-nipi
, Cree for "murky waters," and the suffix osis
, meaning "little."