Hazard Warning: Hazard information may be user-submitted and unverified. Conditions change frequently. Always scout rapids and obstacles yourself.
Rapid WA Class III

Imnaha Rapids

Snake - J) Pittsburg Landing (or Salmon) to Heller Bar (WA)

Monitor this Rapid
Gauge Conditions
Snake River at Hells Canyon DAM ID-OR State Line Upstream Primary
Runnable: 8,000.0 – 80,000.0 CFS
Data from American Whitewater & USGS
Photo
Imnaha Rapids
Photo courtesy of American Whitewater
Description
The Imnaha Rapids present a challenging Class III sequence with powerful lateral waves and potential rock obstacles near the river's right side. Paddlers should carefully navigate the complex hydraulics, maintaining a clean line through the central channel while being prepared to make quick maneuvers around mid-stream boulders. At higher water levels, the rapid can develop more aggressive features, requiring precise boat control and situational awareness.
Location
Type
Rapid
Difficulty
Class III
Mile Marker
23.7 mi
Directions
Navigate
View Full Run
J) Pittsburg Landing (or Salmon) to Heller Bar
Snake
II 47.4 mi
Current Conditions
5-Day Forecast
Whitewater data from
American Whitewater