Oso Flaco Creek, Guadalupe-Nipomo Dunes

Oso Flaco Creek drains a watershed of approximately 7,400 acres (2,995 ha) consisting mostly of agricultural land before forming Oso Flaco Lake, now part of the Oso Flaco Lake Natural Area in the Guadalupe-Nipomo Dunes, and then flows into the Pacific Ocean, about 68 miles (109 km) northwest of Santa Barbara and 5 miles (8 km) south of Oceano, California.