Redwood National And State Parks is a United States National Park and a UNESCO World Heritage Site that is located on the North Coast of the state of California. The park protects several groves of massive redwood trees, which can live for 2000 years, grow to heights of up to 367 feet, and be as wide as 22 feet at the base of the trunk. Created by Congress to protect lands adjacent to three California state parks in 1968 with the creation of Redwood National Park. In 1994, the California Department of Parks and Recreation and the National Park Service agreed to jointly manage the four-park area for maximum resource protection.