The Lochsa River offers some of Idaho's most challenging and continuous Class IV whitewater. This 53-mile wilderness run parallels Highway 12 with technical rapids, powerful hydraulics, and beautiful forest scenery. Best run during spring runoff from May through June when flows are optimal.
Snapshot
Important information for this section of river
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Water Level
FAQ: What's the current water level for Lochsa River?
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FAQ: What's the ideal range for this section of river?
2,000 – 8,000 CFS
Rapids
Community-contributed. Conditions change with flow. Scout everything.
No rapids logged yet for this river.
Boat Launches
Community-contributed. Conditions change with flow. Scout everything.
No boat launches logged yet for this river.
Camps
Community-contributed. Conditions change with flow. Scout everything.
No camps logged yet for this river.
Outfitters
Community-contributed. Conditions change with flow. Scout everything.
No outfitters logged yet for this river.
Common Questions
What paddlers most often want to know about Lochsa River.
What class of whitewater is the Lochsa River in Idaho?
The Lochsa River runs Class III–IV through a 53-mile wilderness canyon, featuring powerful hydraulics, technical rapids, and nearly continuous whitewater. At high spring flows it pushes firmly into Class IV territory and commands respect from even experienced paddlers.
Do I need a permit to run the Lochsa River?
No permit is required to run the Lochsa River from Wilderness Gateway to Lowell, Idaho. The river parallels Highway 12, making it one of Idaho's most accessible expert-level runs.
What are the ideal flow levels for the Lochsa River?
The Lochsa runs best between 2,000 and 8,000 CFS. Flows of 2,500–5,000 CFS provide the most enjoyable Class III–IV experience; above 6,000 CFS the river becomes a powerful, demanding Class IV+ with fewer recovery opportunities.
When is the best time to run the Lochsa River?
The Lochsa is best run from May through June during snowmelt from the Bitterroot Range. By late July flows typically drop below the ideal range, though some sections remain runnable into August in high snowpack years.
How long is the Lochsa River run from Wilderness Gateway to Lowell?
The full Lochsa run from Wilderness Gateway to Lowell covers approximately 53 miles of nearly continuous Class III–IV whitewater and is typically completed as a 2–4 day trip, with good roadside camping options throughout.
Weather Forecast
What's the daily forecast at the put-in for Lochsa River?