North of Montreal, the Mont Tremblant National Park has three mountain bike riding regions: DeDiable, La Pimbina and the ski resort. In the La Pimbina region, check out Trail #8 to Lac des Sables. At the resort, try La Nord Sud (10km). From Montreal, follow Route 15 north for 100km. After it changes to Route 117, continue another 30km into the park.
Overall, Mont Tremblant is the 4th most popular mountain bike trail of all 13 mountain biking rides in Quebec.