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Arkansas River

Browns Canyon River Guide

Nathrop, CO
Class 2–4450–4500 CFS

Browns Canyon is widely regarded as Colorado's premier Class III whitewater run, featuring 15 major rapids through smooth granite corridors. Designated as a National Monument in 2015, this 11-mile stretch offers consistent whitewater through a remote canyon surrounded by the towering Collegiate Peaks. Rapids like Pinball, Zoom Flume, The Staircase, and Seidel's Suckhole provide exciting challenges for rafters of all skill levels, making it America's most commercially rafted river section.

Alerts

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Weather Forecast

What's the daily forecast at the put-in for Browns Canyon?

Sat
Mar 28
73°
20 mph WSW
Mostly Sunny
Sun
Mar 29
72°
5%
10 mph W
Mostly Sunny
Mon
Mar 30
71°
7%
20 mph W
Mostly Sunny
Tue
Mar 31
61°
62%
15 mph WSW
Showers And Thunderstorms Likely
Wed
Apr 1
56°
63%
13 mph SSW
Showers And Thunderstorms Likely
Thu
Apr 2
62°
15%
23 mph WSW
Mostly Sunny then Slight Chance Rain Showers
Fri
Apr 3
55°
26%
23 mph SW
Slight Chance Snow Showers then Chance Rain Showers

Current River Conditions

What's the current CFS for Browns Canyon based on the nearest USGS gauge?

No recent flow data available

Ideal Water Level

450–4,500CFS

USGS Station 07091200

Flow Trend

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Common Questions

What paddlers most often want to know about Browns Canyon.

What class of whitewater is Browns Canyon on the Arkansas River?

Browns Canyon ranges from Class II to Class IV depending on flow, with the most common experience being Class III. Rapids like Pinball, Zoom Flume, and Seidel's Suckhole provide consistent whitewater action across a wide range of flows.

Do I need a permit to raft Browns Canyon National Monument?

No permit is required to raft Browns Canyon. The section is open to all boaters and is the most commercially rafted stretch of river in the United States.

What are the ideal flow levels for Browns Canyon?

Browns Canyon runs well from 450 to 4,500 CFS. The sweet spot for most paddlers is 700–2,000 CFS, offering strong Class III action without the intimidating power of higher spring flows.

What are the most famous rapids in Browns Canyon?

The most celebrated rapids in Browns Canyon are Pinball, Zoom Flume, The Staircase, and Seidel's Suckhole. Together they make the 11-mile run through this National Monument a continuous, high-energy experience.

When does the Browns Canyon rafting season run?

Browns Canyon is typically runnable from April through September. Peak season is May and June during snowmelt from the Collegiate Peaks, when flows are highest and most consistent.