Fern Canyon is a canyon in the Prairie Creek Redwoods State Park in Humboldt County, California, western United States. The park is managed in cooperation with other nearby redwoods state parks and Redwood National Park. It is named for the ferns growing on the 50-foot high walls, through which runs Home Creek. Fern Canyon is recognized as a World Heritage site and an International Biosphere Reserve.HistoryFern Canyon was donated to the State to add 2,125 acres to Prairie Creek State Park.FernsFern Canyon has California native ferns covering the 10- sheer walls, giving a primeval habitat quality. Some species include: Adiantum jordaniiBlechnum spicantPolypodium californicumPolypodium glycyrrhizaPolystichum munitumAccessA hiking trail follows the canyon and creek. Reach the start of Fern Canyon Trail at the bottom of the canyon by hiking a quarter mile north up California Coastal Trail from Fern Canyon Day Use Area, which is north of Gold Bluffs Beach Campground. The trail loop is 0.5 miles, one end of the trail connecting to the James Irvine Trail.