Paddle Report

Headwaters To Southern Boundary Of Zion National Park river run

Utah, USA Coalpits Wash 10.0 mi long Class III-IV
Today high
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Tonight low
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Current flow
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% of normal
93%
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Linked streamgauge
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 Headwaters To  Southern Boundary Of Zion National Park -- Utah paddle run
Headwaters To Southern Boundary Of Zion National Park Utah · Coalpits Wash
About this run

Headwaters To Southern Boundary Of Zion National Park

The Whitewater River Run from the headwaters to the southern boundary of Zion National Park in Utah is a stretch of river that is ideal for experienced kayakers and rafters. The ideal streamflow range for this stretch is between 200-400 cfs, with higher flows creating more challenging rapids. This section of the river is rated as Class III-IV, with some sections reaching Class V during high flow events. The segment mileage for this run is approximately 16 miles.

There are several notable rapids and obstacles along this stretch of the river, including the technical Staircase rapid, the steep and fast Serpentine Falls, and the infamous Black Hole rapid, which is a Class V rapid that should only be attempted by expert kayakers and rafters. There are also several rocky sections and tight channels that require precise navigation.

There are specific regulations in place for this area, including a permit system for commercial river outfitters and a limit on the number of daily permits issued. Additionally, all visitors are required to adhere to Leave No Trace principles and pack out all trash and waste. Swimming is not recommended due to the fast-moving water and numerous obstacles.

Overall, the Whitewater River Run from the headwaters to the southern boundary of Zion National Park offers a thrilling and challenging experience for experienced kayakers and rafters, but should only be attempted with caution and respect for the natural environment.
StateUtah
RiverCoalpits Wash
Run length10.0 mi
ClassIII-IV
Elevation3,508 ft
Current flow--
Percent of normal93%
StreamgageUSGS 09406000
Latitude37.1713°
Longitude-113.0831°
Detailed forecast

Plan your run down to the hour

Same weather feed Snoflo's iOS app uses -- updated continuously from NOAA / yr.no. Watch the precipitation column on the meteogram; rain ahead of a run typically lifts flows 12-48 hours later depending on the basin.

Hourly detail

Next 5 days, hour by hour

Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.

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Deep dive

5-day forecast table

Every 3 hours, broken out across temperature, snow, rain, humidity, and wind. Each cell is colour-coded relative to the column min/max.

TimeConditionTemp (°F)Snow (in)Rain (in)Humidity (%)Wind (mps)Wind dir
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Long-term outlook

15-day temperature & precipitation

Daily temperatures, snow, and rain projected over the next two weeks -- the upstream story that drives next week's flows.

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Regional flow

Regional streamflow levels

USGS streamgauges around Headwaters To Southern Boundary Of Zion National Park -- useful for spotting upstream pulses and gauging which tributary is contributing what.

Whitewater safety

Check the flow before you run
Use the linked-gauge card and Regional Flow panel above. Class ratings change with flow -- a Class III at low water can become Class IV+ at high water.
Know your skill ceiling
Pick runs comfortably below your ceiling. Cold-water and big-water runs raise the consequences of any mistake.
Wear the right gear
Helmet, PFD, drysuit / wetsuit when water is below 60°F. Throw bag, knife, and whistle on your person, not in the boat.
Scout, set safety, and run with a team
Scout new rapids on foot, set safety with throw bags above the consequence pool, and run with at least one other competent paddler.
Respect the river
Strainers, undercuts, low-head dams, and wood can kill at any class rating. When in doubt, portage.

Set push alerts in the Snoflo app

Save Headwaters To Southern Boundary Of Zion National Park as a favorite, set a discharge threshold (e.g. "alert me when flow hits 600 cfs"), and the iOS app pushes the moment the linked gauge crosses.

FAQ

About Headwaters To Southern Boundary Of Zion National Park

What's the optimal flow for Headwaters To Southern Boundary Of Zion National Park?

The optimal flow depends on the section and the craft. Check the Run Details panel for the linked gauge and current status.

How fresh is the cfs reading on this page?

The linked USGS streamgauge reports continuously (every 15 minutes); Snoflo refreshes throughout the day. Hover the streamflow sparkline to read individual datapoints.

What's the whitewater class?

See the Run Details panel for the class rating Snoflo tracks for this run. Class ratings change with flow -- a Class III at low water can become Class IV in high water.

Where do I put in / take out?

Tap Directions in the hero above to open driving directions to the put-in. For shuttle planning, check the Nearby Boat Launches panel and the river run operator's site.

Can I get alerts when flows hit the optimal range?

Yes -- alerts are managed in the Snoflo iOS app. Favorite this run, set a discharge threshold, and you'll get a push the moment the gauge crosses.

More river runs

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