Day-use fee Sat.-Sun. and holidays May-Sept. $5-$7 (per person); $2.50-$3.50 (veterans with ID); free (children in car seats and active military with ID). Day-use fee rest of year $3-$5 (per private vehicle); $1-$2 (veterans with ID).
Park daily dawn-dusk. Visitor center, museum and nature center open Sat.-Sun. 9-5, Memorial Day-Labor Day; phone ahead to confirm additional hours.