Tour $15.98; $14.98 (ages 65+); $9.98 (ages 4-12). Tour and gem panning $14.98 (ages 4-12, mid-Mar. to mid-Nov. only). Phone ahead to verify rates.
Guided tours are offered daily 9-6, July 1-Labor Day; daily 9-5, Memorial Day weekend-June 30; daily 9-4, Apr. 1-late May and early Sept.-Oct. 31 (also some extended weekends in Oct.); Thurs.-Mon. 9-4 in Mar. and Nov.; Sat.-Sun. 11-3, in Dec.; by appointment rest of year.