Encino is an affluent neighborhood in the San Fernando Valley region of Los Angeles. In 1769, the Spanish Portola expedition, first Europeans to see inland areas of California, traveled north through Sepulveda pass into the San Fernando Valley on August 5 and stayed two nights at a native village near what is now Los Encinos State Historic Park. The 2000 U.S. census counted 41,905 residents. Encino is situated in the central portion of the southern San Fernando Valley and on the north slope of the Santa Monica Mountains. California State Parks operates the 5-acre (1.0 ha) Los Encinos State Historic Park in Encino. The park includes the original nine-room de la Ossa Adobe, the Garnier Building, a blacksmith shop, a pond, and a natural spring. Summers in Encino are hot and winters cool.