You won't want to miss the 'Iao Needle Lookout Trail and Ethnobotanical Loop. This trail is paved, so you don't have to worry about losing your footing as you make your way up to a lookout with ...

The most popular hiking trail is the 0.6-mile 'Iao Needle Lookout Trail and Ethnobotanical Loop, a paved walkway that leads straight to the iconic rock formation and through a botanical garden.

Haiku resident Roger Hawley chats with hiking buddy Jill Richards about the route he took to the top of Iao Needle on Aug. 28, 1967. Hawley returned to the park Monday to commemorate the occasion.