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South Fork Payette - Grandjean to Lowman

Lowman, ID

South Fork Payette - Grandjean to Lowman

The Grandjean section of the South Fork Payette features technical Class III+ whitewater through a beautiful alpine canyon. This wilderness run includes Canyon Creek Rapid and the challenging Bonneville Gorge with rapids like Emesis and Kicks John's Ass, offering crystal-clear snowmelt water and pristine mountain scenery.

Snapshot

Important information for this section of river

Class
III – IV

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Water Level

FAQ: What's the current water level for South Fork Payette - Grandjean to Lowman?

351 CFS

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FAQ: What's the ideal range for this section of river?

6002,000 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 South Fork Payette - Grandjean to Lowman.

What class of rapids does the South Fork Payette Grandjean to Lowman section have?

The South Fork Payette Grandjean to Lowman section runs Class III+, featuring technical rapids including Canyon Creek Rapid and the committing Bonneville Gorge with rapids like Emesis — a step up from the Danskin section and requiring solid Class III skills.

Do I need a permit to run the South Fork Payette from Grandjean to Lowman?

No permit is required to run the South Fork Payette Grandjean to Lowman section. It is a wilderness run accessible from Forest Service roads with a put-in near Grandjean Campground.

What are the most difficult rapids on the South Fork Payette Grandjean section?

The Bonneville Gorge is the crux of the Grandjean section, containing the most demanding rapids including Emesis and a notorious drop nicknamed Kicks John's Ass — both requiring technical moves in a narrow, committed canyon stretch.

What are the ideal flow levels for the South Fork Payette Grandjean to Lowman section?

The Grandjean section runs best between 600 and 2,000 CFS. The technical nature of the rapids — especially through the Bonneville Gorge — makes flow selection important; above 1,500 CFS the gorge becomes more powerful and less forgiving.

When is the South Fork Payette Grandjean to Lowman section runnable?

The Grandjean section typically runs from late May through early July during snowmelt from the Sawtooth and Boise Mountains. The alpine nature of the watershed means flows peak later and drop faster than lower-elevation Idaho rivers.

Weather Forecast

What's the daily forecast at the put-in for South Fork Payette - Grandjean to Lowman?

Tue
Sep 1
79°
57%
5 mph SSE
Partly Sunny then Slight Chance Showers And Thunderstorms
Wed
Sep 2
64°
58%
7 mph SW
Showers And Thunderstorms Likely then Partly Sunny
Thu
Sep 3
61°
64%
7 mph SSW
Rain Showers Likely
Fri
Sep 4
65°
46%
5 mph SSW
Chance Rain Showers
Sat
Sep 5
71°
26%
6 mph SE
Chance Rain Showers
Sun
Sep 6
70°
38%
5 mph SSE
Chance Rain Showers
Mon
Sep 7
70°
22%
5 mph SSE
Slight Chance Rain Showers