Harlequin Lake TrailPlanning track derived from the NPS Yellowstone Trail feature layer. Trail data is a work in progress; check current NPS closures and conditions before travel.National Park Service, Intermountain Region, Yellowstone National Park, Spatial Analysis CenterNPS Yellowstone Trail feature layer2026-08-11T19:40:29ZHarlequin Lake TrailArcGIS OBJECTIDs: 13902074.02074.02074.02074.02074.02074.02074.02074.02074.02074.02091.02091.02091.02091.02091.02091.02091.02091.02091.02091.02091.02091.02091.02091.02091.02091.02091.02091.02091.02091.02111.02111.02111.02111.02111.02111.02111.02111.02111.02111.02111.02111.02111.02111.02100.02100.02100.02100.02100.02100.02100.02100.02100.02100.02100.02100.02100.02100.02095.02095.02095.02095.0