Featured Best Hikes On Oahu: The Pillbox Trail (Ka’iwa Ridge) Dobbs | June 14, 2016 Basic Information Name: Pillbox Trail Where: Kailua, Oahu Distance: 1.7 miles (one way) Elevation Gain: 822 feet Time: 1-2 hours More Information: Yelp.com Topographic Map of Pillbox Trail Read More