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🌊 Clark Fork · Class III

Is Alberton Gorge running?

Flow now
3,280 cfs
→ steady vs. 24 hours ago

Reading from Nov 4, 3:45 PM MT. Site data as of Nov 4, 2026, 4:04 PM MT.

Status
Running
Off season (commercial)
Runnable range: 1,200–20,000 cfs
3,1593,2703,381Thu 29Fri 30Sat 31Sun 1Mon 2Tue 3Wed 4runnable range

Last 7 days (cfs), Mountain time. Low 3,150 cfs, high 3,390 cfs.

StatusRunning
Off season (commercial)
RiverClark Fork
SectionCyr to Tarkio
ClassIII
Nearest townMissoula / Alberton, Montana
Runnable range1,200 cfs to 20,000 cfs
Low 1,200 cfs · medium from 2,500 cfs · high from 7,000 cfs · max 20,000 cfs
Source: American Whitewater, on the same gauge shown here. Checked 2026-11-04.
Commercial seasonMay–Sep (typical outfitter season)
Off season (commercial)
GaugeClark Fork at St. Regis MT (USGS 12354500)
More infoAmerican Whitewater river page

Flows are informational, not a safety call. Gauge readings can be delayed, provisional, or wrong, and a gauge may be miles from the run. Rivers change fast. Check with a local outfitter or the managing agency (BLM, USFS, NPS, dam operator) before you go.

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