Kaluanui Ridge (Marinerís Ridge)
Location: Southeast Oahu near Koko Crater
Map: USGS 1:24K Koko Head
Access: From the Hanauma Bay turnoff on Highway 72 (Kalanianaole Hwy), drive west to the first big intersection (just prior to a big shopping center) and go north on Lunalilo Home Rd. Turn left on Wailua St and cross over Kuapa Pond. Take a right on Keahole St, then the first left on Kaluanui Rd. Follow Kaluanui Rd uphill, without turning, to the end of the road. Park at the end, noting a trail that leads into the wild beyond. A sign says no trespassing, but I had no problems and there was an obvious, well-used trail. The land appears to belong to Kamehameha Schools, which I intuit to mean that the land is used to fund schools on the island in some way. 
Trail: ~1 mile and 850í to the ridgetop overlooking the windward side. 
Fees: None

October 4, 2007
Taking directions from my friendís fiance, I drove my rental car to the spot where the trail began and wondered if this was the right place. It didnít look like your typical trailhead, and being in an upscale neighborhood, I felt a little out of place in hiking boots. Nevertheless, I parked the car and started up the trail that lead through open, scrubland. For all its reputation as a lush, forested island, lots of the southern half of Oahu is practically desert. The wide trail wound through brown grass and small shrubs and I was quickly looking down on the rooftops of the houses I had parked near. To the east, Koko Crater rose up, brown and rocky, and a little further south I could see waves crashing in Haunama Bay. The sun was very hot, and the lack of wind exacerbated the heat. It is one of the few hikes I can recall on Oahu that wasnít wet and muddy, or actively raining. The trail reached the spine of Kuluanui Ridge, and leveled off a bit on a wide, hard-pan surface of red clay. Small ironwood trees grew here and there, providing some shade. To the south I could see Maunaulua Bay and the slivers of housing developments sprinting up into the hills, starkly contrasted with the brown, rocky slopes around them. My face was dripping sweat, but the short, 1-mile trail too less than half an hour to cover before I arrived at the east-west ridge of the southern Koíolau Range. A flat, beaten area made a nice place to stop and enjoy the great view of the windward coast. The jagged green ridge continued to the northwest, rising and falling with steep slopes falling away in fluted cliffs and canyons. It looked possible to continue on the ridge, but a little dangerous to try alone. The forked summit of Olomana loomed large on the horizon. I tarried up top for quite awhile, enjoying the area. From up high, I could see the arrangement of reefs in Waimalano Bay, and again noted the stark contrast between the housing developments and the jungle beyond. Vegetation was much more lush on this side, as it gets the lions share of the rain. Plowed agricultural fields of red soil lay in geometric patterns below. All very nice. 

I hiked back down and took a side trail halfway to the car that led to a bench surrounded by  a number of small trees, each with a plaque at its base honoring a deceased US military serviceman. Small flags were stuck in the ground beside each tree. I sat on the bench for awhile and rested from the heat, then moved on. Got back to the car and drove off. Short hike, but with a pleasant reward.


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