See all 3 routes on Middle Fork Salmon River
Idaho | Central Idaho / Frank Church River of No Return Wilderness
Middle Fork Salmon River
Marsh Creek to Boundary Creek
Route planning details, access notes, and local verification guidance.
Route location
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Need to know
Why this call
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
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
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Next 8 hours
Short-route forecast
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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 15.7-mile Class III-IV early-season route from the Highway 21 Marsh Creek launch to the Boundary Creek Middle Fork launch corridor.
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
State Highway 21 Marsh Creek 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
Boundary Creek Boat RampConfirm 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
- Bear Valley confluence
- changing wood and cold water
- remote rescue
- Dagger Falls/Boundary Creek permit boundary
- snow and road-gate conditions
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 | Middle Fork Salmon River at Middle Fork Lodge near Yellow Pine, 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 |
| Target band | 3,500 cfs to 5,500 cfs |
| Low threshold | 1,000 cfs |
| High threshold | 12,000 cfs |
| Evidence strength behind the range | Official and local sources |
| Gauge observed | Checking |
| Paddle Today updated | Checking |
| Main source behind this score | RiverBrain Middle Fork guidance: 1,000 cfs minimum, 4,500 cfs average, 12,000 cfs maximum; 3,500-5,500 cfs planning ideal |
| 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 corridorMarsh Creek to Boundary Creek; About 15.7 river miles
American Whitewater Marsh Creek to Boundary Creek reach record identifies the endpoint chain, river miles, or managed float corridor.
- Public access controlState Highway 21 Marsh Creek Put-In to Boundary Creek Boat Ramp
Coordinates represent named public ramps, bank launches, park landings, or an explicitly described staging point.
- Direct live gaugeUSGS 13309220 - Middle Fork Salmon River at Middle Fork Lodge near Yellow Pine, ID
Gauge is on the named waterbody and supplies context only.
- Threshold postureNumeric cue retained for planning
The route remains planning-only; no live go/no-go score is asserted.
- Safety and land managementCurrent manager notices override this record
American Whitewater rates the reach Class III-IV and notes that it becomes the Middle Fork after the Bear Valley confluence. Expect cold water, changing wood, narrow channels, and remote rescue; scout from legal road or Forest Service access and carry satellite communication. Use the direct Middle Fork Lodge gauge only with the RiverBrain 1,000 cfs minimum, 3,500-5,500 cfs planning ideal, and 12,000 cfs upper shoulder. The gauge is downstream of the early Marsh Creek section, so local snowmelt, wood, weather, and access conditions override any numeric cue. This card ends at the Boundary Creek launch corridor. American Whitewater says downstream Middle Fork travel requires the Forest Service permit; do not continue through the controlled wilderness corridor without a current permit, camp assignment, and downstream plan.
- Camping classificationon_route_campsite
Use only current Forest Service or lawful dispersed sites along the Marsh Creek/Boundary corridor. Boundary Creek has named camping context, but no campsite, water, or fire availability is guaranteed; pack out waste and verify closures.
- Image decisionMiddle Fork/Salmon River same-watershed 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 Marsh Creek to Boundary Creek reach record
- Official access/map control
- USGS 13309220 monitoring location
- USGS 13309220 current conditions
- RiverBrain Middle Fork guidance: 1,000 cfs minimum, 4,500 cfs average, 12,000 cfs maximum; 3,500-5,500 cfs planning ideal
- Additional threshold support
- RiverBrain Middle Fork flow guidance
- American Whitewater Marsh Creek access
- American Whitewater Boundary Creek access
- USGS Middle Fork Lodge gauge
- Idaho Fish and Game Marsh Creek water record
- Middle Fork Salmon permit and river rules
- Middle Fork/Salmon River same-watershed 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.
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Quick answers
Middle Fork Salmon River paddling FAQ
What water level is good for paddling Middle Fork Salmon River?
Paddle Today watches Middle Fork Salmon River at Middle Fork Lodge near Yellow Pine, ID and treats 3,500 cfs to 5,500 cfs as the target band for this route, with weather and recent trend included in the final score.
Where does this Middle Fork Salmon River route start and end?
This route starts at State Highway 21 Marsh Creek Put-In and ends at Boundary Creek Boat Ramp, about About 15.7 river miles on the water.
Is this Middle Fork Salmon 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.
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Access, hazards, wood, and shuttle details change. Send a quick correction if something looks off.