Box Canyon
Class II
STREAMFLOW: 1,230 CFS
Runnable72°, Mostly Sunny Then Heavy Rain
The Box Canyon river run in Idaho offers a challenging Class IV+ whitewater experience with tight, technical rapids, fast currents, and steep drops. The river run is best tackled in late spring or early summer when water levels are at their highest, with a recommended flow of 1,000-2,000 cfs. Obstacles to be aware of include the "Notch" rapid, a narrow chute with a large boulder in the middle, as well as "Pinball," a series of technical rapids with multiple boulders and tight turns. Overall, the Box Canyon river run is recommended for experienced rafters and kayakers looking for a thrilling adventure.
Weather today, Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. Some of the storms could produce small hail, gusty winds, and heavy rain. High near 72. Northeast wind 5 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 80%.

Status | Runnable |
Class Level | II |
Elevation | 6,229 ft |
Run Length | 4.0 Mi |
Gradient | 18 FPM |
Streamflow Discharge | 1230 cfs |
Gauge Height | 4.2 ft |
Reporting Streamgage |
Henrys Fork Nr Island Park Id
USGS 13042500 |