If you are looking for some great mountain bike trails be sure to travel to Buffalo Pound Provincial Park and try out the trails. Here is a detailed map of the Buffalo Pound MTB Trails (pdf). For best results print on 11×17 paper back-to-back and accordion fold.
Moose Jaw Pavers Cycling Club 
I’m going to miss these trails SO much. There’s a phenominal culture of mountain biking that lives in Buffalo Pound, and a pile of great riders working hard every year on improving the trails!