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
Laramie River Near Glendevey
USGS 06657500
21 cfs 0.8 ft
St. Louis Creek Near Fraser
USGS 09026500
10 cfs 1.4 ft
Colorado River Bl Shadow Mountain Reservoir
USGS 09015000
36 cfs 1.6 ft
Left Hand Creek Near Boulder
USGS 06724500
10 cfs 0.4 ft
Clear Creek At Mouth
USGS 06720000
3 cfs 2.6 ft
Ranch Creek Blw Meadow Cr Nr Tabernash Co
USGS 09033100
10 cfs 6.9 ft
Clear Creek Abv West Fork Clear Creek Nr Empire Co
USGS 06715000
30 cfs 3.7 ft
Coal Creek Near Plainview
USGS 06730300
0 cfs -0.2 ft
Middle Boulder Creek At Nederland
USGS 06725500
7 cfs 0.5 ft
North Clear Creek Above Mouth Nr Blackhawk
USGS 06718550
2 cfs 3.8 ft
Snotel Site Snowpack 24hr Change
Black Mountain
SNOTEL 1161
1" 1"
Lake Irene
SNOTEL 565
1" 0"
Crow Creek
SNOTEL 1045
1" 1"
Jackwhacker Gulch
SNOTEL 935
1" 1"
Laprele Creek
SNOTEL 571
1" 0"
Echo Lake
SNOTEL 936
1" 0"

Outdoor Recreation

Campground Campsites Reservations Toilets Showers Elevation
Flatiron Reservoir None 5,483 ft
Curt Gowdy State Park None 7,593 ft
South Bay - Horsetooth Reservoir None 5,435 ft
Carter Lake - North Side Campgrounds None 5,792 ft
Vedauwoo 28 8,288 ft
Boulder County Fairground None 4,974 ft
Carter Lake - South Side Campgrounds None 5,711 ft
Ansel Watrous 16 5,839 ft
Pinewood Reservoir 22 6,604 ft
Meadow Park None 5,349 ft
Inlet Bay - Horsetooth Reservoir None 5,437 ft
Ski Area Snowpack Air Temperature 5 Day Forecast
River Run Streamflow Length Class
Upper North Fork 66.2cfs 9.0 Mi IV+ to V-
Steven's Gulch to Bridges Take Out 76.7cfs 12.0 Mi III- to IV+
Filter Plant 2.85cfs None Mi II to III+
Main Section 7.98cfs 3.0 Mi IV+ to V
Upper South Boulder Creek 26.6cfs None Mi V+
SSV - Confluence to Picnic Grounds 17.4cfs 5.0 Mi V to V+
Filter Plant 2.85cfs None Mi II to III+
Lower North Fork 76.7cfs 11.0 Mi III
October Hole 17.4cfs None Mi II
Upper South Boulder Creek 26.6cfs None Mi V+
NSV 17.4cfs 13.0 Mi V+
Lower Boulder Canyon 13.7cfs None Mi IV- to V-
Middle Narrows 76.7cfs 1.0 Mi IV to V-
Upper Narrows 76.7cfs 0.5 Mi V- to V+
Gnar Section 588.0cfs 1.0 Mi V+
Lower Narrows 76.7cfs 0.5 Mi V- to V+