A challenging run that's a favorite for the seasoned class V boater.

Suggested river levels for paddling this section of the Saint Vrain, North Fork (North Saint Vrain) are between a bare minimum of 250cfs and a high of 600cfs. River conditions sourced from USGS 06724000, the St. Vrain Creek At Lyons Remember only watercraft are permitted at NSV.

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Area Hydrology

Gauge Streamflow Stage
Blue River At Blue River
USGS 09046490
49 cfs 1.2 ft
Colorado River Bl Shadow Mountain Reservoir
USGS 09015000
1,380 cfs 4.1 ft
Clear Creek Near Lawson
USGS 06716500
278 cfs 3.8 ft
Williams Fork Below Steelman Creek
USGS 09035500
78 cfs 4.1 ft
Cache La Poudre R Ab Boxelder C
USGS 06752280
393 cfs 3.7 ft
St Vrain Cr Blw Boulder Cr At Hwy 119 Nr Longmont
USGS 06730525
101 cfs 9.8 ft
Clear Creek At Golden
USGS 06719505
250 cfs 4.8 ft
North Clear Creek Above Mouth Nr Blackhawk
USGS 06718550
13 cfs 4.1 ft
South Platte River At South Platte
USGS 06707500
620 cfs 3.3 ft
Monte Cristo Diversion Near Hoosier Pass
USGS 09041900
7 cfs 0.6 ft
Snotel Site Snowpack 24hr Change

Outdoor Recreation

Ski Area Snowpack Air Temperature 5 Day Forecast
Eldora Mountain Resort 24" 68° 10.48"
Echo Mountain Park 18" 66° 11.83"
Ski Estes Park (Hidden Valley) 42" 67° 7.45"
River Run Streamflow Length Class
Upper South Boulder Creek 5.0cfs None Mi V+
Lower Boulder Canyon 42.0cfs None Mi IV- to V-
Filter Plant 3.92cfs None Mi II to III+
Gnar Section 405.0cfs 1.0 Mi V+
Golden Whitewater Park 3.92cfs 0.75 Mi II+
Lower Narrows 182.0cfs 0.5 Mi V- to V+
Filter Plant 3.92cfs None Mi II to III+
NSV 37.8cfs 13.0 Mi V+
Idledale to Morrison 11.2cfs 3.0 Mi IV+ to V
Spencer Heights 182.0cfs 2.5 Mi V- to V
Big South 278.0cfs 12.0 Mi V to V+
Middle Narrows 182.0cfs 1.0 Mi IV to V-
Upper North Fork 27.7cfs 9.0 Mi IV+ to V-
Upper South Boulder Creek 5.0cfs None Mi V+
October Hole 37.8cfs None Mi II
Tunnel 1 to Golden Whitewater Park 60.7cfs None Mi III- to III+
Rustic (Upper) 182.0cfs 20.0 Mi III to III+
Lower North Fork 182.0cfs 11.0 Mi III
Upper Narrows 182.0cfs 0.5 Mi V- to V+
Upper Clear Creek 60.7cfs 2.5 Mi IV- to IV+
Steven's Gulch to Bridges Take Out 182.0cfs 12.0 Mi III- to IV+
Main Section 55.3cfs 3.0 Mi IV+ to V
SSV - Confluence to Picnic Grounds 37.8cfs 5.0 Mi V to V+