Best management practices may include schedules for activities, prohibitions, maintenance guidelines, and other management practices. The areas that receive protection under the Wild and Scenic Rivers Act. Boundaries include an average of not more than 320 acres of land per mile, measured from the ordinary high water mark on both sides of the river. This equates to an average width of one-quarter mile on each side of the river. A federal law that designated a number of additional wilderness areas in California, including those in Yosemite National Park.
Classification is based on the existing level of access and human alteration of the site.
A plan to protect and enhance a Wild and Scenic River. The Merced River Plan is the National Park Service's comprehensive management plan for segments of the Merced River corridor under its jurisdiction. The area outside the western boundary of the park along Highway 140 under the jurisdiction of the National Park Service used to locate park operations and administrative facilities for Yosemite National Park. A nearly level alluvial plain that borders a stream and is subject to flooding unless protected artificially. Overnight lodging facilities operated by the concessioner in the wilderness areas that include tent cabins, food service, and other amenities.