Hawaii Best Hikes on Oahu: The Pu’u Ohia Trail Dobbs | January 6, 2017 Basic Information Pu’u Ohia Trail Where: Honolulu, Oahu Distance: 2.8 miles Elevation Gain: 736 feet Time: 2-4 hours Difficulty: Moderate More Information: Oahu Trails Topographic Map of the Pu’u Read More