The Big Oak Flat Information Station has an information desk, wilderness permit desk, and Yosemite Conservancy Bookstore. In the winter, self-registration wilderness permits for the Crane Flat area and Tioga Road trailheads only, are available on the front porch. You must bring your own bear canister when the information station is closed. Wilderness permits are required for overnight stays in Yosemite's Wilderness. Designated accessible parking spaces are available in front of the facility.