Featured Best Hikes on Oahu: The Kolowalu Trail to Mt. Olympus Dobbs | January 5, 2018 Basic Information Name: The Kolowalu Trail to Mt. Olympus Where: Honolulu, Hawaii Distance: 4.7 miles Max Elevation: 2,486 Elevation Gain: 1,946 feet Difficulty: Moderate Time: 4-6 hours More Read More