Enoch Parrish opened the first apple orchard in 1876, followed by the Wilshire family. The Rivers brothers and their families came to Oak Glen in 1906. Their orchard, Los Rios Rancho (Spanish for "The Rivers Ranch"), is still in operation, as are many of the other original orchards and ranches in the area. The Law family came into the area with its own apple orchard in the early 1930s and built the first roadside packinghouse, first restaurant and gift shop soon after. Various other shops. In 1996 a wildland trust came to Oak Glen and offers a picnicking area and hiking trails, as well as many special activities that makes Oak Glen appealing to virtually everyone. A large number of families make a visit to Oak Glen for a number of festivities and events.