See all 2 routes on Fall River
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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Need to know
Why this call
Safety
Route safety
Advanced routeThis route has hazards that can create serious consequences if missed or misjudged. Paddle only with appropriate skill, equipment, and current local information.
Safety details
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.
Conditions
Gauge history and hourly forecast
Use the gauge context and hourly forecast to verify local conditions before launching.
Gauge detail
Gauge history & hourly forecastDetailed view
Gauge note
Proxy gauge: Fall River near Squirrel, ID. Regional signal only; verify local water.
Gauge context
This route uses Fall River near Squirrel, ID as a proxy gauge. It is a regional signal, not a measurement of this reach. Verify local water and hazards before launching.
Gauge
Recent trend
Checking preferred range.
Checking trend.
Gauge source
--Checking timestampMN DNR provides the current paddling level here, but not chart-ready recent samples.
Weather
Hourly forecast
Checking weather.
Loading today's forecast.
Next 8 hours
Short-route forecast
Checking the next several hours.
Route overview
Quick facts and what's next
Distance, difficulty, shuttle basics, and the near-term outlook before you commit to the drive.
Quick facts
Plan ahead
Upcoming outlook
These are early planning reads. Re-check live conditions before you commit to the drive.
Waiting on forecast.
Waiting on forecast.
Plan
Plan your trip
Launch points, shuttle details, distance, and access notes.
Route logistics
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.
Prepare this trip
Take the plan with you
Download the canonical route, add a calendar hold, or send a simple float plan to your group.
Put-in
Cave Falls Campground Put-InUse only the named public launch or landing; a nearby bank, bridge shoulder, fishing easement, or private campground is not substitute access.
Take-out
Concrete CCC Bridge Take-OutConfirm current closures, fire restrictions, seasonal gates, parking capacity, fees, launch condition, and Idaho invasive-species requirements before travel.
Plan this segment
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
Route gallery
See this route on the water
Photos help show what the access looks like and what the route actually feels like on the water.

Score & sources
Data and sources
See the gauge, weather, and source notes behind today's call.
Why this scoreToday'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.
- Checking evidence-strength notes.
- Checking evidence cautions.
Data behind the scoreGauge, thresholds, and timing
These are the live readings and threshold notes behind today's score.
| Gauge site | Fall River near Squirrel, ID |
| Discharge | Checking |
| Gauge height | Checking |
| 24h trend | Checking |
| 24h change | Checking |
| Current band | Checking |
| Rain last 24h | Checking |
| Rain last 72h | Checking |
| Air temp | Checking |
| Water temp | Checking |
| Wind | Checking |
| Gusts | Checking |
| Rain timing | Checking |
| Ideal range | Needs paddler reports |
| Known low-water floor | 1,500 cfs |
| High threshold | Not calibrated yet |
| Evidence strength behind the range | Official and local sources |
| Gauge observed | Checking |
| Paddle Today updated | Checking |
| Main source behind this score | American Whitewater local guidance: most boaters wait until the Squirrel gauge is above 1,500 cfs; no hard high-flow cutoff published |
| Gauge source | Checking |
| Weather source | Checking |
| Rainfall source | Checking |
NotesWhat 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.
- 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.
- Direct live gaugeUSGS 13047500 - Fall River near Squirrel, ID
Gauge is on the named waterbody and supplies context only.
- 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.
- 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.
- 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.
- Image decisionFall River / Henrys Fork basin context photograph
Approved route-area or same-river context; it does not depict every endpoint or current conditions.
- 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.
Verify it yourselfCheck the source links
Use these links to double-check the gauge, route details, and access notes before you head out.
- American Whitewater Cave Falls Run reach record
- Official access/map control
- USGS 13047500 monitoring location
- USGS 13047500 current conditions
- Additional threshold support
- American Whitewater Cave Falls Run reach and flow guidance
- USGS Fall River near Squirrel direct gauge
- Cave Falls Campground access and grizzly precautions
- Idaho Fish and Game Fall River access-site index
- Henrys Fork / Fall River access map context
- Caribou-Targhee National Forest recreation gateway
- Fall River / Henrys Fork basin context photograph
- Idaho boating and invasive-species requirements
Paddler reports
Recent notes from paddlers
A few quick notes from people who were on this route recently.
Reports
Paddler reports
See recent photos and notes from people on the route.
More level reports needed
Only a low-water floor is known.
We can tell when this route is likely too low, but we do not yet have enough reports to define a best range. If you paddled it recently, send a condition report with how the level felt.
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Keep exploring
More routes to check next
Compare another stretch on this river, or jump to nearby options before you pick a plan.
Quick answers
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.
Flag a change
See something outdated?
Access, hazards, wood, and shuttle details change. Send a quick correction if something looks off.
