The trailhead for the Kulana'ahane Trail is approximately 2.5 miles up the Kamananui Valley Road Trail.
Stream crossings are frequent and can be deep following rain storms.
This swimming hole and open clearing are perfect for a picnic or camping. A permit is required.
Much of the trail is dense hau tree tangles, requiring some careful maneuvering and crouching.
The native forest is beautiful in the back of the valley.
The trail narrows.
Views of the surrounding ridges poke through the dense trees.
The end of the maintained trail is rather unspectacular. Continue up the steep ridge for sweeping views.
At the base of the Ko'olau Mountains.
An alternate trail beyond the sign heads to the waterfall and plane wreckage. Follow the tape!
This waterfall can be flowing heavily after the rain.
The waterfall is fed from the Ko'olau summit and supplies most of the water to the Moanalua streams.
The view from the top of the valley, looking back toward the trailhead.
Remnants of the engine from the plane crash.
Moanalua Valley before ascending the ridge.
Ascending the ridge beyond the maintained trail.
The trail terminus at the H3 overlook. Views of the windward side of the island and Moanalua Saddle Ridge.