The Last Mountain Lake sub-watershed contains the lake of that name and the Arm River, as well as smaller tributaries.
Last Mountain Lake is the largest natural lake in southern Saskatchewan, and is home to many recreational properties, and a growing number of permanent residents, drawn to its natural beauty.
Last Mountain Lake is home to Rowan's Ravine Provincial Park, and several regional parks.
Last Mountain Lake is a very important site for millions of migratory birds, and is home to the Last Mountain National Wildlife Refuge , the oldest national bird sanctuary in Canada.
Click here for a larger picture.