Lush rainforest valley featuring the iconic Iao Needle, a volcanic remnant, and scenic hiking trails.
- Fee
- Entry $5/person + parking $10/vehicle; NON-RESIDENT advance reservations required (gostateparks.hawaii.gov); residents with Hawaii ID free
- Tour Company
- N/A
- Hours
- 7am-6pm
Checked against current sources, October 2026.