Boulder
3. Chippy Park Campground to Boulder Falls
| Difficulty | II-III |
| Length | 10.7 mi |
| Avg Gradient | n/a |
| Gauge | Boulder River at Big Timber Mt |
| Flow Rate as of 1 hour | 1180 cfsrunnable |
| Reach Info Last Updated | June 23, 2026 |
River Description
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River Features
Chippy Park Campground
Distance: 0 mi
Access Point
Take Out
Distance: 9 mi
Access Point
Trip Reports
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1200 CFS - Ethan Bowen
Jun 23, 2026
Ran Chippy Park Campground to an Forest Service Access road near Grouse Creek. As soon as you put in the water starts to boogie! Flows were low but navigable in kayaks and packrafts. Great stretches of continuous II-III Rapids and a few play waves if you keep your eyes peeled
LN
Lancer Naber
Jun 4, 2021
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