About CNMF Cabrillo National Monument Foundation (CNMF) is a 501(c)(3) nonprofit organization and the premier supporter of interpretive, cultural, historical, scientific and educational programs and activities at Cabrillo National Monument, San Diego’s only National Park. Your support and participation in CNMF membership and events or purchases you make in the Cabrillo Store directly contributes to the continuation and existence of Park programs. For more information about the funding we provide to the Park and becoming a foundation member, visit www.cnmf.org.