Kuli’ou’ou Ridge Trail 4 Summary Kuli’ou’ou Ridge Trail provides one of the easiest ways to access the summit of the Ko’olau Range on Oahu. This easy access though means expect large crowds unless you get an early start. The large crowds and the poor and muddy conditions of the stairs near the summit are the … Continue reading Best Hikes On Oahu: Kuli’ou’ou Ridge Trail