Directionsto Gristmill Recreation Area, Mira Del Rio Dr., Sacramento From Folsom Blvd turn north onto Butterfield Way. (Butterfield Way is between Watt and Bradshaw). Take the 1st right onto Stoughton Way. Stoughton Way will end at Mira Del Rio. When you are at that stop sign look across the street, one house to the left, and you will see the entrance to Gristmill. (The area is residential. The entrance to the park almost looks like someone’s driveway.) Follow the road to the parking lot. Parking costs $5.