The Pu’u Pia Trail 4 Summary For anyone on Oahu looking for a kid friendly hike with great views of the Ko’olau Range, the Pu’u Pia Trail is definitely one worth checking out. The trail is in great shape when dry and there is even a view of Manoa Falls during the hike. If you … Continue reading Best Hikes On Oahu: The Pu’u Pia Trail