Kellogg Road is a hiking, biking, and horse trail in Modoc County, California. It is within Modoc National Forest. It is 15.2 miles long and begins at 5,117 feet altitude. Traveling the entire trail is 30.4 miles with a total elevation gain of 1,745 feet. The Fourmile Reservoir (elevation 5,052 feet) reservoir is near the trailhead.