Robertson Creek Trail features smooth, awesome singletrack that descends over 2000 feet. The initial climb is a little tough, but the amazing views, environments, and steep singletrack more than make up for it.
From Downtown Monticello, head west on 200 Drive, soon turning left onto Abajo Drive. When the road turns into North Creek Road, continue on it. Then, turn left onto Mountain Road just after you pass Dalton Springs Campground. After crossing over the main ridge, Spring Creek Trail and Robertson Pasture Trail should come up on the right. Parking is further down the road on the right.