From Montreal, take Highway 10 to Exit 143, to Thedford Mines, then Route 112 East toward East Angus-Weedon. Make about 35 km. Take the 1st exit Marbleton on Main Street until you're after then.
From Quebec, take Highway 73 to Route 112 in East Brougton. Continue on Route 112 toward Sherbrooke. Skip Weedon, 12 km further, turn right at the 2nd exit Marbleton on Main Street until you're after then