Park free. Diamond search area $8; $5 (ages 6-12). Water playground $6; $4 (0-41 inches tall); free (ages 0-2, limited to three children per paying adult). Ages 0-10 must be with an adult age 18+. Phone ahead to confirm rates.
Park open daily 6 a.m.-10 p.m. Visitor center open daily 8-8, Fri. before Memorial Day to mid-Aug.; Fri.-Sat. 8-8, mid-Aug. through Labor Day; daily 8-5, rest of year. Water playground open daily noon-6, Sat. before Memorial Day to mid-Aug.; Sat.-Sun. noon-6, mid-Aug. through Labor Day. Park closed Jan. 1, Thanksgiving and Christmas. Closes Christmas Eve at noon. Phone ahead to confirm schedule.