Free. South Tufa Area $3; free (ages 0-15).
Reserve daily 24 hours. Scenic Area Visitor Center in Lee Vining open daily 8-5, mid-May to mid-Oct; Thurs.-Mon. 9-4:30, early Apr. to mid-May and mid-Oct. through Dec. 1. Guided tours daily at 10, 1 and 6, late June-Labor Day; Sat.-Sun. at 1, late May-Late June and day after Labor Day-Sept. 30.