National Forest Development Road 727 is a hiking, biking, and horse trail in Grant County, Oregon. It is within Malheur National Forest. It is 3.4 miles long and begins at 4,350 feet altitude. Traveling the entire trail is 6.8 miles with a total elevation gain of 1,427 feet. The Chappel Gulch Reservoir (elevation 4,944 feet) reservoir can be seen along the trail.