Filter Plant


Filter Plant is THE beginner run in Northern Colorado.

Suggested river levels for paddling this section of the Cache La Poudre River are between a bare minimum of 350cfs and a high of 2,000cfs. River conditions sourced from USGS 06752280, the Cache La Poudre R Ab Boxelder C Remember only watercraft are permitted at Filter Plant.

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Whitewater Rapids

Obstacles on the river run
Mad Dog
Class II to III

Area Hydrology

Gauge Streamflow Stage
Boulder Cr At North 75Th St Nr Boulder
USGS 06730200
71 cfs 5.0 ft
Clear Creek At Mouth
USGS 06720000
246 cfs 4.7 ft
N Frk Cache La Poudre R Blw Halligan Res Nr V Dal
USGS 06751150
75 cfs 2.7 ft
Bear Creek Above Bear Creek Lake Near Morrison
USGS 06710605
80 cfs 4.7 ft
St. Louis Creek Near Fraser
USGS 09026500
14 cfs 1.5 ft
Colorado R Below Baker Gulch
USGS 09010500
111 cfs 5.3 ft
South Platte River At Henderson
USGS 06720500
601 cfs 4.4 ft
Crow Creek At 19Th Street
USGS 06755960
3 cfs 1.6 ft
Harvard Gulch At Harvard Park
USGS 06711575
5 cfs 10.5 ft
St. Vrain Creek Below Longmont
USGS 06725450
-999,999 cfs ft
Snotel Site Snowpack 24hr Change

Outdoor Recreation

Campground Campsites Reservations Toilets Showers Elevation
Vedauwoo 28 8,288 ft
Carter Lake - South Side Campgrounds None 5,711 ft
Pinewood Reservoir 22 6,604 ft
Flatiron Reservoir None 5,483 ft
Meadow Park None 5,349 ft
South Bay - Horsetooth Reservoir None 5,435 ft
Inlet Bay - Horsetooth Reservoir None 5,437 ft
Boulder County Fairground None 4,974 ft
Carter Lake - North Side Campgrounds None 5,792 ft
Curt Gowdy State Park None 7,593 ft
Ansel Watrous 16 5,839 ft
Ski Area Snowpack Air Temperature 5 Day Forecast
River Run Streamflow Length Class
Lower Boulder Canyon 12.4cfs None Mi IV- to V-
Main Section 57.7cfs 3.0 Mi IV+ to V
October Hole 270.0cfs None Mi II
Upper South Boulder Creek 71.2cfs None Mi V+
Lower North Fork 749.0cfs 11.0 Mi III
Filter Plant 140.0cfs None Mi II to III+
Upper Narrows 749.0cfs 0.5 Mi V- to V+
Filter Plant 140.0cfs None Mi II to III+
Middle Narrows 749.0cfs 1.0 Mi IV to V-
Gnar Section 681.0cfs 1.0 Mi V+
Lower Narrows 749.0cfs 0.5 Mi V- to V+
SSV - Confluence to Picnic Grounds 270.0cfs 5.0 Mi V to V+
NSV 270.0cfs 13.0 Mi V+
Upper North Fork 74.5cfs 9.0 Mi IV+ to V-
Upper South Boulder Creek 71.2cfs None Mi V+
Steven's Gulch to Bridges Take Out 749.0cfs 12.0 Mi III- to IV+