National Forest Development Road 4407 is a hiking, biking, and horse trail in Lincoln County, Montana. It is within Kootenai National Forest. It is 5.3 miles long and begins at 2,956 feet altitude. Traveling the entire trail is 10.6 miles with a total elevation gain of 2,392 feet. The trail ends near Yaak Mountain (elevation 4,951 feet). There is also an observation tower near the end of the trail.