1 Best Sight in The Inland Empire, California

Oak Glen Preserve

This 909-acre preserve encompasses the Southern California Montane Botanic Garden, the Children’s Outdoor Discovery Center, and the Los Rios Rancho Apple Farm. Three well-marked trails—ranging from 2 to 4.8 miles—wind past ponds, streams, wetlands, oak and pine forests, chaparral, and willow woodland.