The Phillip Burton Wilderness is part of the 111 sq. mile (288 km2) Point Reyes National Seashore located about 20 miles (32 km) northeast of San Francisco, California. Total wilderness land is 33,373 acres which includes a roadless "potential wilderness" area of over 8,000 acres (32 km2) and is the only designated wilderness along the California coast. The National Park Service manages the wilderness. The wilderness is named for California's Congressman Phillip Burton who served in the US House of Representatives from 1964 til his death on April 10, 1983.