Idaho | Eastern Idaho / Yellowstone border

Fall River

Cave Falls Campground to Concrete CCC Bridge (Cave Falls Run)

Route planning details, access notes, and local verification guidance.

Route location

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DistanceAbout 14.7 river miles
DifficultyHard
Typical timeAbout 5-8 hours plus shuttle
ShuttleCar shuttle
The Fall River basin sits in the broader Henrys Fork landscape of eastern Idaho.
River contextHenrys Fork basin context; not the Fall River reach or current conditions river-level context — not necessarily this exact reach.Photo by James Postema via Wikimedia Commons

Need to know

Why this call
This route is documented for planning, but does not receive a Paddle Today score.
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Gauge history and hourly forecast

Use the gauge context and hourly forecast to verify local conditions before launching.

Gauge history & hourly forecastDetailed view

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Quick facts and what's next

Distance, difficulty, shuttle basics, and the near-term outlook before you commit to the drive.

DifficultyhardDifficulty follows the cited manager guide where stated and otherwise is deliberately conservative. Current flow, debris, diversions, weather, and party skill can materially change the trip.
PermitsCheck posted rulesCheck current Caribou-Targhee and Yellowstone boundary notices, campground rules, Idaho AIS/PFD requirements, fire restrictions, grizzly precautions, and any seasonal road or closure controls before launch.
CampingOptions nearbyCave Falls Campground is the documented endpoint campground when open; no overnight camping is assumed along the whitewater corridor. Use bear-resistant food storage and follow current Caribou-Targhee/Yellowstone boundary rules.
SeasonMay-AugLate spring through early fall is the normal planning window. Verify snowmelt, releases, fire or fish-protection closures, water temperature, weather, and access status immediately before travel.

Upcoming outlook

These are early planning reads. Re-check live conditions before you commit to the drive.

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Plan your trip

Launch points, shuttle details, distance, and access notes.

Access and shuttle

A 14.7-mile Class III-IV(V) adventure run from Cave Falls Campground to the Concrete CCC Bridge, with named portage/scout features and a direct Squirrel gauge.

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Start

Put-in

Cave Falls Campground Put-In
Open map

Use only the named public launch or landing; a nearby bank, bridge shoulder, fishing easement, or private campground is not substitute access.

Finish

Take-out

Concrete CCC Bridge Take-Out
Open map

Confirm current closures, fire restrictions, seasonal gates, parking capacity, fees, launch condition, and Idaho invasive-species requirements before travel.

Plan this segment

Skip map

Pulling access map tiles. Usually under 5 seconds.

End of map
Access caveats and watch for

Access caveats

  • Use only the named public launch or landing; a nearby bank, bridge shoulder, fishing easement, or private campground is not substitute access.
  • Confirm current closures, fire restrictions, seasonal gates, parking capacity, fees, launch condition, and Idaho invasive-species requirements before travel.
  • Private banks are common. Do not land, scout, portage, or camp outside a signed public site or manager-designated corridor.

Watch for

  • Sheep Falls Class V+ main line
  • right-bank Class IV+ side channel
  • bedrock ledge
  • diversion dams
  • river wood
  • grizzly country
  • Concrete CCC mandatory take-out

Data and sources

See the gauge, weather, and source notes behind today's call.

Read quality
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Pulling the latest gauge and weather. Usually under 10 seconds.

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Today's evidence strength is checking

Evidence strength mostly comes down to three things: how direct the active gauge is, how clear the range is, and how fresh the data is.

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Gauge, thresholds, and timing

These are the live readings and threshold notes behind today's score.

Gauge siteFall River near Squirrel, ID
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Ideal rangeNeeds paddler reports
Known low-water floor1,500 cfs
High thresholdNot calibrated yet
Evidence strength behind the rangeOfficial and local sources
Gauge observedChecking
Paddle Today updatedChecking
Main source behind this scoreAmerican Whitewater local guidance: most boaters wait until the Squirrel gauge is above 1,500 cfs; no hard high-flow cutoff published
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What to know before you go

These notes cover the access details, route quirks, and source caveats most likely to matter once you get there.

  • Official route corridorCave Falls Campground to Concrete CCC Bridge (Cave Falls Run); About 14.7 river miles

    American Whitewater Cave Falls Run reach record identifies the endpoint chain, river miles, or managed float corridor.

    Source

  • Public access controlCave Falls Campground Put-In to Concrete CCC Bridge Take-Out

    Coordinates represent named public ramps, bank launches, park landings, or an explicitly described staging point.

    Source

  • Direct live gaugeUSGS 13047500 - Fall River near Squirrel, ID

    Gauge is on the named waterbody and supplies context only.

    Source

  • Threshold postureGauge-linked range used for live scoring

    The cited route guidance is tied to this gauge and reach; hazards, closures, weather, and local inspection still override the score.

    Source

  • Safety and land managementCurrent manager notices override this record

    American Whitewater rates the reach Class III-IV with a standout Class V feature at Sheep Falls. The main Sheep Falls line is Class V+; use the right-side Class IV+ channel only after a careful scout, or portage on the established right-bank trail. Most locals reportedly wait for more than 1,500 cfs on the direct Fall River near Squirrel gauge. Treat that as a community flow floor, not a guarantee: higher water increases the consequences at the bedrock ledge, Sheep Falls, diversion dams, and wood. Cave Falls itself is upstream in Yellowstone National Park and is not a paddling objective. Launch only at the named campground, obey current Forest Service/NPS boundary rules, and carry bear-safe food storage in grizzly habitat. The route contains multiple diversion structures and a mandatory downstream exit at the Concrete CCC Bridge. Confirm the bridge landing, road access, and current wood before committing; do not continue into the separate lower Fall River reach without a new plan.

    Source

  • Camping classificationendpoint_campground

    Cave Falls Campground is the documented endpoint campground when open; no overnight camping is assumed along the whitewater corridor. Use bear-resistant food storage and follow current Caribou-Targhee/Yellowstone boundary rules.

    Source

  • Image decisionFall River / Henrys Fork basin context photograph

    Approved route-area or same-river context; it does not depict every endpoint or current conditions.

    Source

  • Overlap decisionRetained as a distinct access-to-access itinerary

    Adjacent cards use different public endpoints and provide a different trip length, hazard set, skill tier, or operating boundary.

    Source

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Fall River paddling FAQ

What water level is good for paddling Fall River?

Paddle Today watches Fall River near Squirrel, ID and uses 1,500 cfs as the conservative low-water floor for this route. The ideal range still needs more paddler reports.

Where does this Fall River route start and end?

This route starts at Cave Falls Campground Put-In and ends at Concrete CCC Bridge Take-Out, about About 14.7 river miles on the water.

Is this Fall River route good for beginners?

This is listed as a hard route. Treat the live score as a planning aid, then confirm conditions, hazards, access, and group skill before launching.

See something outdated?

Access, hazards, wood, and shuttle details change. Send a quick correction if something looks off.