Waiawa is an ahupua‘a known to have the largest watershed on the island of O‘ahu. Among the noted places were the fishponds of Kuhialoko, Kuhiawaho; the salt beds of Nīnauele; the coconut grove of Hape; the kalo patches of Moka‘alikā; the spring of Ka‘aimalu; and the ‘awa patch of Kalāhikiola. A noted Wahi Pana of the area is Hā‘upu.