 The terrain of the Missouri Coteau features low hummocky, undulating, rolling hills, potholes, and grasslands.This physiographic region of Saskatchewan is the uplands Missouri Coteau, a part of the Great Plains Province or Alberta Plateau Region which extends across the south east corner of the province of Saskatchewan.Highway 58 runs through the first regional park of Saskatchewan; Thomson Lake Regional Park, and also provides nearby access to Shamrock Regional Park another early regional park of Saskatchewan.