National Forest Development Road 578 is a hiking, biking, and horse trail in White Pine County, Nevada. It is within Humboldt-Toiyabe National Forest. It is 3.7 miles long and begins at 7,177 feet altitude. Traveling the entire trail is 7.5 miles with a total elevation gain of 1,554 feet. The Capitol Hills Mine (elevation 7,313 feet) quarry can be seen along the trail.