See all 5 routes on Henrys Fork
Idaho | Eastern Idaho / Mesa Falls
Henrys Fork
Lower Mesa Falls to Warm River
Check current paddling conditions for this Henrys Fork 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 6.7-mile Class II+ Henrys Fork reach beginning at the Lower Mesa Falls put-in and ending at the Warm River access, with a USGS Ashton gauge window and a mandatory waterfall-aware launch plan.
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
Lower Mesa Falls base-of-falls 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
Warm River 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
- Lower Mesa Falls waterfall launch
- cold water and wood
- changing channels
- Warm River landing and parking
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 | Henrys Fork near Ashton, 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 | 1,400 cfs to 2,600 cfs |
| Low threshold | 1,000 cfs |
| High threshold | 3,500 cfs |
| Evidence strength behind the range | Official and local sources |
| Gauge observed | Checking |
| Paddle Today updated | Checking |
| Main source behind this score | American Whitewater runnable window: 1,000-3,500 cfs on the Henrys Fork near Ashton gauge |
| 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 corridorLower Mesa Falls to Warm River; About 6.7 river miles
American Whitewater Lower Mesa Falls-to-Warm River reach record identifies the endpoint chain, river miles, or managed float corridor.
- Public access controlLower Mesa Falls base-of-falls put-in to Warm River take-out
Coordinates represent named public ramps, bank launches, park landings, or an explicitly described staging point.
- Direct live gaugeUSGS 13046000 - Henrys Fork near Ashton, 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 launch is at the base of Lower Mesa Falls, a two-tier waterfall with a steep hike and no casual roadside put-in. Only a crew that has personally inspected the landing and waterfall lines should consider launching here. Below the falls the reach is mostly mild Class II+ water, but cold water, wood, changing channels, and the inability to exit quickly still require a whitewater-capable craft and worn PFD. Use 1,000 cfs as the lower runnable cue and 3,500 cfs as the upper cue on USGS 13046000; the gauge is a planning input, never permission to run the falls or ignore same-day inspection.
- Camping classificationnearby_basecamp
Use developed Forest Service, state, or private campground/lodging options near Mesa Falls and Warm River; no on-route camping is assumed.
- Image decisionHenrys Fork / Mesa Falls 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 Lower Mesa Falls-to-Warm River reach record
- Official access/map control
- USGS 13046000 monitoring location
- USGS 13046000 current conditions
- Additional threshold support
- American Whitewater Lower Mesa Falls put-in access
- American Whitewater Warm River take-out access
- USGS Henrys Fork near Ashton gauge
- Caribou-Targhee Forest Service boating access
- Fremont County Mesa Falls scenic access roads
- Henrys Fork / Mesa Falls 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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More routes to check next
Compare another stretch on this river, or jump to nearby options before you pick a plan.
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Quick answers
Henrys Fork paddling FAQ
What water level is good for paddling Henrys Fork?
Paddle Today watches Henrys Fork near Ashton, ID and treats 1,400 cfs to 2,600 cfs as the target band for this route, with weather and recent trend included in the final score.
Where does this Henrys Fork route start and end?
This route starts at Lower Mesa Falls base-of-falls put-in and ends at Warm River take-out, about About 6.7 river miles on the water.
Is this Henrys Fork 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.