Rancho Trabuco Girls Softball Association (RTGSA) is a volunteer driven, California non-profit public benefit corporation, serving female athletes ages 5 to 15 and their families. Our main goal is to teach, conduct and promote ASA (Amateur Softball Association) Junior Olympic Fastpitch Softball in Rancho Santa Margarita, Las Flores, Trabuco Canyon, Ladera Ranch, Mission Viejo, Lake Forest, Foothill Ranch, Rancho Mission Viejo, Coto de Caza, and surrounding communities in south Orange County, California.