CLIMB Works Keana Farms is a 3-hour guided zipline tour that includes Oahu’s longest ziplines ranging from 500 feet to nearly half a mile long. Participants explore a working agricultural farm on 8 world class dual lines, 2 rappels, 3 sky bridges, a fun ATV adventure to the ridgetop, and other unique surprises. Along the way you’ll learn about Hawaii’s rich history and culture while taking in constant panoramic ocean and mountain views of Oahu’s famous North Shore.