Riverbeta
Bob Marshall Wilderness / Hungry Horse

South Fork Flathead

The wilderness fork. Wild and Scenic from headwaters in the Bob Marshall Wilderness Complex to Hungry Horse Reservoir — 37 miles of Class II+ with no road access. Hike-in or stock-pack only. Below Hungry Horse Dam the river is dam-regulated and out of scope for this guide.

Runs
1
Class range
II
Length
37 mi
Season
Jun–Aug
No. 01 · The river

Where the runs sit

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Every run drawn as its actual river channel, colored by today's runnability. Hover a line for the run; tap to open it.
  • Too low
  • Low
  • Prime
  • High
  • Too high
No. 02 · Runs

The sections, top to bottom

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Listed headwaters to confluence. Pick a run for live conditions, rapids beta, and the whole plan.

  1. Youngs Creek to Mid Creek — South Fork wilderness

    NO DATA
    II+ · 37 mi · 22 ft/mi · Multi-day

    The wilderness multi-day. 37 miles of Class II+ through the Bob Marshall Wilderness Complex. No road access — hike in, paddle out, hike out. Wild and Scenic the entire way.

    13,500 cfs today
No. 03 · Multi-day trips

The multi-day

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Overnight trips — you camp on the river. Committing wilderness with no road bail-out, or a road corridor you can shorten or break into day-runs. Each rolls up today's runnability across its whole length.
No. 04 · Reference

Gauges & outside resources

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Where the live readings come from, and the outfits with the deeper river-by-river database.
Gauges & flow
  • USGS 12359800 · South Fork Flathead River above Twin Creek near Hungry Horse MTUpdates every 15 min
Run databases