See all 2 routes on South Fork Boise River
Idaho | Southwest Idaho / Boise Mountains
South Fork Boise River
Anderson Ranch Dam to Danskin Bridge
Check current paddling conditions for this South Fork Boise River route, including water level, recent gauge trend, weather, and route details.
Route location
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Need to know
Why this call
Conditions
Gauge history and hourly forecast
The top card is the quick read. This lower section keeps the longer gauge trend, gauge context, and hourly forecast together.
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
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 remote 10.9-mile Class I-II(III) tailwater run below Anderson Ranch Dam to the Danskin Bridge access, with cold water and changing dam releases.
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
Anderson Ranch Dam Tailwaters AccessUse only the named public launch or landing; a nearby bank, bridge shoulder, fishing easement, or private campground is not substitute access.
Take-out
Danskin Floatboat AccessConfirm 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
- dam-release changes
- cold water and limited escape shoreline
- wood and Class III features
- remote shuttle and no cell coverage
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
Why this score
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 | South Fork Boise River at Anderson Ranch Dam, 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 | 600 cfs to 2,000 cfs |
| Low threshold | 600 cfs |
| High threshold | 2,000 cfs |
| Evidence strength behind the range | Official and local sources |
| Gauge observed | Checking |
| Paddle Today updated | Checking |
| Main source behind this score | Kayak Idaho South Fork upper-section planning band: 600-2,000 cfs; AW documents higher-flow hazard context |
| 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 corridorAnderson Ranch Dam to Danskin Bridge; About 10.9 river miles
American Whitewater South Fork Boise Upper Run reach record identifies the endpoint chain, river miles, or managed float corridor.
- Public access controlAnderson Ranch Dam Tailwaters Access to Danskin Floatboat Access
Coordinates represent named public ramps, bank launches, park landings, or an explicitly described staging point.
- Direct live gaugeUSGS 13190500 - South Fork Boise River at Anderson Ranch Dam, 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
The canyon has limited shoreline escape and very cold tailwater. Wear a PFD and cold-water protection, carry rescue and repair gear, and use a crew able to manage Class III features at the selected release. Anderson Ranch releases can change quickly. Confirm the current release schedule, road conditions, and launch status with the managing agencies before entering below the dam. The 600-2,000 cfs band is a community planning cue on the direct dam gauge. American Whitewater reports a serious cold-water incident near 2,500 cfs; release notices, local inspection, and crew skill override any published band or score.
- Camping classificationnearby_basecamp
Use a lawful Boise National Forest or Anderson Ranch Reservoir basecamp. No on-route overnight camping or informal shoreline access is assumed.
- Image decisionSouth Fork Boise 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 South Fork Boise Upper Run reach record
- Official access/map control
- USGS 13190500 monitoring location
- USGS 13190500 current conditions
- Kayak Idaho South Fork upper-section planning band: 600-2,000 cfs; AW documents higher-flow hazard context
- Additional threshold support
- USBR Anderson Ranch tailwater access and formal launches
- Idaho Fish and Game South Fork Boise boating and gauge context
- USGS Anderson Ranch Dam live gauge
- Wilderness Portal upper South Fork Boise route map and launch coordinate
- South Fork Boise 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
South Fork Boise River paddling FAQ
What water level is good for paddling South Fork Boise River?
Paddle Today watches South Fork Boise River at Anderson Ranch Dam, ID and treats 600 cfs to 2,000 cfs as the target band for this route, with weather and recent trend included in the final score.
Where does this South Fork Boise River route start and end?
This route starts at Anderson Ranch Dam Tailwaters Access and ends at Danskin Floatboat Access, about About 10.9 river miles on the water.
Is this South Fork Boise River route good for beginners?
This is listed as a moderate route. Expect more planning than an easy float, and use the live score, route notes, and source links before committing.
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Access, hazards, wood, and shuttle details change. Send a quick correction if something looks off.