Upper Narrows


An espresso hair run usually combined with the middle and lower narrows. The main rapids are Supercollider and Whiteline, both easily scoutable from the road. At truly high flows, only those with the proper combination of expert skills and excessive foolishness should attempt this section.

Suggested river levels for paddling this section of the Cache La Poudre River are between a bare minimum of 150cfs and a high of 5,000cfs. River conditions sourced from USGS 06752000, the Cache La Poudre R A Mo Of Cn Remember only watercraft are permitted at Upper Narrows.

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Area Hydrology

Gauge Streamflow Stage
Harvard Gulch At Colorado Blvd.
USGS 06711570
0 cfs 9.4 ft
Michigan River Near Cameron Pass
USGS 06614800
11 cfs 2.7 ft
Little Dry Creek At Westminster
USGS 06719840
0 cfs 7.4 ft
Laramie River Near Bosler
USGS 06661585
1,950 cfs 5.9 ft
Leavenworth Creek @ Mouth Nr Georgetown
USGS 06714800
20 cfs 3.9 ft
Bear Creek At Mouth
USGS 06711500
39 cfs 2.7 ft
Left Hand Creek At Hover Road Near Longmont
USGS 06724970
7 cfs 5.8 ft
Ranch Creek Blw Meadow Cr Nr Tabernash Co
USGS 09033100
41 cfs 7.3 ft
Laramie River At Laramie
USGS 06660000
236 cfs 5.5 ft
Grand River Ditch At La Poudre Pass
USGS 09010000
146 cfs 2.0 ft
Snotel Site Snowpack 24hr Change

Outdoor Recreation

Campground Campsites Reservations Toilets Showers Elevation
Hermit Park Open Space None 8,313 ft
Stove Prairie 9 6,068 ft
Lower Narrows 8 6,470 ft
Ansel Watrous 16 5,839 ft
Mountain Park 54 6,678 ft
West Lake 36 8,254 ft
Dutch George 20 6,520 ft
Narrows 5 6,470 ft
Meeker Park Overflow 29 8,611 ft
Peaceful Valley 17 8,552 ft
Dowdy Lake 70 8,176 ft
Longs Peak - Rocky Mountain National Park 26 9,397 ft
Olive Ridge 56 8,361 ft
Jacks Gulch 56 8,100 ft
Vedauwoo 28 8,288 ft
Kelly Flats 29 6,751 ft
Marys Lake - USBR 270 8,032 ft
Ski Area Snowpack Air Temperature 5 Day Forecast
Eldora Mountain Resort 24" 70° 0"
Ski Estes Park (Hidden Valley) 42" 69° 0"
River Run Streamflow Length Class
Steven's Gulch to Bridges Take Out 182.0cfs 12.0 Mi III- to IV+
Upper North Fork 27.7cfs 9.0 Mi IV+ to V-
Main Section 55.3cfs 3.0 Mi IV+ to V
Filter Plant 3.92cfs None Mi II to III+
Upper South Boulder Creek 5.0cfs None Mi V+
Lower Boulder Canyon 42.0cfs None Mi IV- to V-
Upper Narrows 182.0cfs 0.5 Mi V- to V+
Rustic (Upper) 182.0cfs 20.0 Mi III to III+
NSV 37.8cfs 13.0 Mi V+
SSV - Confluence to Picnic Grounds 37.8cfs 5.0 Mi V to V+
Upper South Boulder Creek 5.0cfs None Mi V+
Lower North Fork 182.0cfs 11.0 Mi III
Filter Plant 3.92cfs None Mi II to III+
Gnar Section 405.0cfs 1.0 Mi V+
October Hole 37.8cfs None Mi II
Middle Narrows 182.0cfs 1.0 Mi IV to V-
Lower Narrows 182.0cfs 0.5 Mi V- to V+