local temp: 17 C/62F

local time: 11:45 pm

local temp: 17 C/62F

local time: 11:45 pm

Mariner’s Ridge Hike

For a hike relatively short on length but long on panoramic views, head to the Mariner’s Ridge Trail. Stand at the final viewpoint at over 1,000 feet of elevation and admire sweeping views of Koko Crater.

Trail Description

The Mariner’s Ridge Hike, also known as the Kaluanui Ridge Hike, is on private property owned by Kamehameha Schools and is now considered conservation land. It is fenced off at the entrance and is only accessible to the Sierra Club and Hawaiian Trail and Mountain Club for supervised hikes at specific times. If you’re able to get permission for this hike, you will enjoy a 2.2 mile out and back trek. Ascending a rocky and dirt trail, Koko Crater will appear before you in the distance. Gazing to the left will offer views of Hahaione Valley, Kuapa pond, and Koko Head. After approximately 30 minutes of climbing to the 1,361-foot Ko’olua summit, you will be rewarded with ridgelines of various shades of green extending into the distance, and views of Makapu’u Point to your right.


Located in the Mariner’s Ridge community of Hawaii Kai, the trailhead can be found at the end of Kaluanui Road.

Hiking Clubs

The Sierra Club and Hawaiian Trail and Mountain Club are local hiking clubs that offer group hikes, some of which are open to the public. Check out their websites to meet some fellow hikers and hit the trails together!

Nearby Alternative Trails

For another nearby option open to the public, try out the Kuli’ou’ou Ridge Trail, a 4 mile out and back trek along the spine of the Ko’olau Ridge. Koko Crater Railway Trail is also nearby and will surely provide an adrenaline rush with its steep ascent up an abandoned railroad track on Koko Crater. This is a unique hike with dramatic ocean & city views.

Mariners Ridge Hike

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