You searched for: Place Southwestern Cuyamaca Mountains, Cleveland National Forest, southwestern slope of Poser Mountain, at northern edge of Viejas Valley, near junction of Old Viejas Grade & Conejos Valley Road. Remove constraint Place: Southwestern Cuyamaca Mountains, Cleveland National Forest, southwestern slope of Poser Mountain, at northern edge of Viejas Valley, near junction of Old Viejas Grade & Conejos Valley Road.