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🌊 Colorado River · Class III–IV (rated 1–10 locally)

Is Grand Canyon running?

Flow now
7,840 cfs
→ steady vs. 24 hours ago

Reading from Nov 4, 3:00 PM MT. Site data as of Nov 4, 2026, 4:04 PM MT.

Status
Running
Off season (commercial)
Runnable range: 2,000–48,000 cfs
4,9826,4207,858Thu 29Fri 30Sat 31Sun 1Mon 2Tue 3Wed 4runnable range

Last 7 days (cfs), Mountain time. Low 4,870 cfs, high 7,970 cfs.

StatusRunning
Off season (commercial)
RiverColorado River
SectionLees Ferry to Lake Mead
ClassIII–IV (rated 1–10 locally)
Nearest townFlagstaff / Marble Canyon, Arizona
Runnable range2,000 cfs to 48,000 cfs
Low 2,000 cfs · medium from 11,000 cfs · high from 21,000 cfs · max 48,000 cfs
Source: American Whitewater, on the same gauge shown here. Checked 2026-11-04.
Commercial seasonApr–Oct (typical outfitter season)
Off season (commercial)
GaugeCOLORADO RIVER AT LEES FERRY, AZ (USGS 09380000)
Dam releaseYes, flow is set by dam releases. Release schedule →
PermitsGrand Canyon NP noncommercial permit (weighted lottery); commercial trips book a year or more ahead.
NoteFlow is set by Glen Canyon Dam releases.
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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