The Flat River to South Nahanni is a challenging 4-5 day wilderness paddling route accessed via floatplane to Seaplane Lake, featuring Class II-V whitewater including the technically difficult Cascade-of-the-Thirteen-Steps rapid requiring portaging. This remote tributary offers an alternative entry into Nahanni National Park with superior paddling compared to some main river sections. Scenery combines stunning alpine views, pristine wilderness, and dramatic canyon entry where the Flat meets the South Nahanni. Hazardous conditions including logjams and challenging navigation make this a trip for experienced paddlers only. Best paddled in July-August when water levels support safe navigation. Access requires floatplane charter from Fort Simpson, Yellowknife, Watson Lake, or Fort Nelson.
The difficulty of Flat River to South Nahanni River varies by section.
The best time is July-August.
Flat River to South Nahanni River is located in the Northwest Territories region of Canada.
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