Paddle Report

Begins Where The River Parallels A Two-Lane Highway To The Western Boundary Of Yellowstone National Park river run

Montana, USA Gallatin River 13.0 mi long Class II-III+
Today high
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Tonight low
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Current flow
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% of normal
42%
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Linked streamgauge
-- cfs
Gauge height
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Begins Where The River Parallels A Two-Lane Highway To  The Western Boundary Of Yellowstone National Park -- Montana paddle run
Begins Where The River Parallels A Two-Lane Highway To The Western Boundary Of Yellowstone National Park Montana · Gallatin River
About this run

Begins Where The River Parallels A Two-Lane Highway To The Western Boundary Of Yellowstone National Park

The Whitewater River run begins where the river runs parallel to a two-lane highway, just before reaching the western boundary of Yellowstone National Park in Montana. The ideal streamflow range for this run is between 1,200 and 3,000 cfs. The class rating of the Whitewater River varies between Class II and IV depending on the section of the river being traversed.

The segment mileage of the Whitewater River run is approximately 10 miles long. During this run, there are several specific river rapids and obstacles to navigate. The most notable rapid is Big Rock, which is a Class III+ rapid that requires skilled maneuvering to safely navigate. Other notable obstacles include several large boulders, tight turns, and narrow channels.

There are specific regulations in place for the Whitewater River run to ensure the safety of all participants. Those who wish to embark on this run are required to have a permit from the National Park Service. Additionally, all participants must wear a Coast Guard-approved personal flotation device at all times while on the river. Finally, no alcohol or drugs are allowed on the river.

In conclusion, the Whitewater River run is a challenging and exciting adventure that requires skill and experience to navigate safely. With its ideal streamflow range, class rating, segment mileage, specific river rapids/obstacles, and specific regulations, this run should only be attempted by experienced whitewater paddlers with the proper equipment and permits.
StateMontana
RiverGallatin River
Run length13.0 mi
ClassII-III+
Elevation6,466 ft
Current flow--
Percent of normal42%
StreamgageUSGS 06038500
Latitude44.9281°
Longitude-111.0463°
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 Begins Where The River Parallels A Two-Lane Highway To The Western Boundary Of Yellowstone 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 Begins Where The River Parallels A Two-Lane Highway To The Western Boundary Of Yellowstone 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 Begins Where The River Parallels A Two-Lane Highway To The Western Boundary Of Yellowstone National Park

What's the optimal flow for Begins Where The River Parallels A Two-Lane Highway To The Western Boundary Of Yellowstone 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.