The ideal streamflow range for this run is between 1,500 to 3,500 cubic feet per second (cfs). The class rating for this run ranges from Class II to III+, depending on the water level.
The segment mileage for this run is approximately 10 miles, and it features several notable rapids such as the "Little Niagra" and "The 3-Step." Other obstacles on this run include boulders, tight turns, and narrow chutes.
There are specific regulations in place for this area, including a requirement for all boaters to wear life jackets at all times and to have a throwable flotation device on board. Additionally, all boats must have a sound-producing device and a whitewater permit from the Idaho Department of Parks and Recreation.
Wind
Humidity
| Last Updated | 2026-03-08 |
| River Levels | 2240 cfs (6.24 ft) |
| Percent of Normal | 96% |
| Status | |
| Class Level | ii |
| Elevation | ft |
| Streamflow Discharge | cfs |
| Gauge Height | ft |
| Reporting Streamgage | USGS 13047600 |
Falls River Nr Ashton Id
|
455cfs |
Falls River Nr Squirrel Id
|
223cfs |
Henrys Fork Nr Ashton Id
|
795cfs |
Falls River Ab Yellowstone Canal Nr Squirrel Id
|
419cfs |
Falls River Nr Chester Id
|
471cfs |
Teton River Nr St Anthony Id
|
423cfs |
| Location | Reservations | Toilets |
|---|---|---|
Warm River Campground
|
||
Warm River
|
||
Grandview
|
||
Grand View Campground
|
||
Warm River Cabin
|
||
Jolley Camper
|