Rancho Girls Softball League (GSL) is a non-profit softball league affiliated with USA Softball. Rancho GSL was formed for the benefit of girls who desire to play softball at a fun, yet competitive level. As the smallest B-League in the Western region, Rancho is one of the premier softball leagues serving East County communities including; Rancho San Diego, Mt. Helix, La Mesa, Spring Valley, Casa de Oro, El Cajon, Lemon Grove, Jamul, and beyond.