Gualala (formerly, Guadala, Walhalla, and Wallala) is an unincorporated community in Mendocino County in the U.S. state of California. It is located north of The Sea Ranch and south of Point Arena, California. Gualala shares its southern border with the southern border of Mendocino County. It is located on the Pacific coast at the mouth of the Gualala River, on State Route 1. It serves as a commercial center for the surrounding area.