Mossy (Winnipegosissee)

Mossey River, also spelt Mossy River, is a river in the Canadian province of Manitoba. The river begins at the Mossy River Dam at the north end of Dauphin Lake and flows north into the south end of Lake Winnipegosis at the community of Winnipegosis.
Prior to 1900, Mossey River was spelt "Mossy". It is also the namesake of the Rural Municipality of Mossey River.

Source: Wikipedia https://en.wikipedia.org/wiki/Mossey_River