This 110-mile route traverses the rim of the San Bernardino Mountains from Cajon Pass to San Gorgonio Pass. The Rim of the World Scenic Byway travels through some of the most naturally beautiful areas left in Southern California. Spectacular vistas and panoramas exist everywhere along the route. Encompasses portions of Hwy 38, 18, and 138. Call the Big Bear Discovery Center for more information (909) 382-2790 (closed Tues/Wed).