Watch Highline (2020) HD Full Movie Free on solarmovie.do. Watch Highline (2020) online free. Ten days. Five friends. One trek across Utah's Uinta Highline Trail. Watch as the ancient history of...Ten days. Five friends. One trek across Utah's Uinta Highline Trail. Watch as the ancient history of the trail is woven together with the personal history of each of the hikers as they get back in touch with the world, and each other.