The most difficult of the ungraded ridge hikes in the leeward Ko’olau Range, the Bowman Trail begins with a tough climb, features a long stretch of roller coaster action and climaxes with a spectacular ascent of Pu’u Kahuauli (elev. 2,740 ft). From the summit you can see the windward side of Oahu from Kaneohe Bay to Waimanalo. On the way up and down are great views of Kalihi Valley, Pearl Harbor and, in the distance, the
Proceed on foot along Na’ai St. Turn left onto Halina St. by Kalihi Elementary School and just before the street ends, turn right into the school playing field. Head for the basketball courts and turn left upslope on a trail between the red and yellow backboards. Eventually accomplish a steep climb through mixed ironwoods and Christmas berry. Travel along a somewhat level stretch through an ironwood grove. Emerge from the ironwoods on an open grassy area then reach a dirt road. Turn right and ascend steeply on the road following utility poles. At the crest of the ridge turn right at a junction. Continue on the dirt road until gaining the ridge top just before a power-line tower. Turn right off the road and arrive at the start of the Bowman Trail. Follow the trail all the way to the Ko’olau summit.
Narrow sections with cables and a very steep climb as you approach the Ko’olau summit