Mendocino County is a county located on the north coast of the U.S. state of California, north of the greater San Francisco Bay Area and west of the Central Valley. As of 2000, the population was 86,265. The county seat is Ukiah.The county is noted for its distinctive Pacific Ocean coastline, Redwood forests, wine production, microbrews, and liberal views on cannabis. It is estimated that over half of the economy is based on the cultivation of marijuana. The notable historic and recreational attraction of the "Skunk Train" connects Fort Bragg with Willits in Mendocino County via steam-locomotive trains and other vehicles.