Jen went hiking Trillium Lake Loop December 14, 2018 13.5 miles 1,500 feet gained Trillium/Mud Creek loop 1 Started at Mazama Snow Park and took the Barlow Trail to Trillium. Then miles of fresh tracks on the Mud Creek loop. More from Jen ONP Family Trip August 15 to August 20, 2026 ONP Marmoteers August 3 to August 6, 2026 Eliot Glacier August 3 to August 4, 2026 Prusik Peak July 21 to July 24, 2026