Lake of the Rivers No. 72 (2006 Population 326) is a rural municipality in south-west Saskatchewan, Canada encompassing 677.51 square kilometers in area. The rural municipality maintains its office in Assiniboia, Saskatchewan. The rural municipality also include the town site of Willows. The rural municipality in conjunction with the provincial government is in charge of maintenance of highways in its area. As well, the municipality provides policing, fire protection and municipal governance for the rural district, with a reeve as its administrator.
The following communities are within the municipality's borders.
The Assiniboia Airport is located in the rural municipality.
Coordinates: 49°37′18″N 105°55′42″W / 49.62167°N 105.92833°W