Gnar Section


This is a one mile section upstream from the town of Drake.  It contains class V and V+ rapids.

Suggested river levels for paddling this section of the Big Thompson are between a bare minimum of 200cfs and a high of 700cfs. River conditions sourced from USGS 06707500, the South Platte River At South Platte Remember only watercraft are permitted at Gnar Section.

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Area Hydrology

Gauge Streamflow Stage
Fourmile Creek At Orodell
USGS 06727500
0 cfs 4.4 ft
Boulder Creek At Mouth
USGS 06730500
14 cfs 9.2 ft
South Clear Creek Abv Lower Cabin Creek Reservoir
USGS 06714400
7 cfs 5.3 ft
Laramie R Bl Pioneer Canal Nr Woods Landing
USGS 06659502
1,010 cfs 3.2 ft
Boulder Creek Near Orodell
USGS 06727000
17 cfs 1.8 ft
S Clear Cr Abv Lwr Cabin Cr Res Spilwy Nr Georgtwn
USGS 06714500
5 cfs 0.5 ft
Sand Creek At Colorado-Wyoming State Line
USGS 06659580
3 cfs 0.5 ft
Plum Creek Near Sedalia
USGS 06709000
10 cfs 3.7 ft
Little Dry Creek At Westminster
USGS 06719840
1 cfs 7.3 ft
N Frk Cache La Poudre R Blw Halligan Res Nr V Dal
USGS 06751150
66 cfs 2.7 ft
Snotel Site Snowpack 24hr Change
Jackwhacker Gulch
SNOTEL 935
1" 1"
Black Mountain
SNOTEL 1161
1" 1"
Loveland Basin
SNOTEL 602
1" 1"
Lake Irene
SNOTEL 565
1" 0"
Never Summer
SNOTEL 1031
1" 0"
Stillwater Creek
SNOTEL 793
1" 1"
Crow Creek
SNOTEL 1045
1" 1"
Echo Lake
SNOTEL 936
1" 0"
Rawah
SNOTEL 1032
6" 0"

Outdoor Recreation

Campground Campsites Reservations Toilets Showers Elevation
Dutch George 20 6,520 ft
Hermit Park Open Space None 8,313 ft
Camp Dick 41 8,716 ft
Mountain Park 54 6,678 ft
Kelly Dahl 46 8,615 ft
Meadow Park None 5,349 ft
Peaceful Valley 17 8,552 ft
Ansel Watrous 16 5,839 ft
Olive Ridge 56 8,361 ft
Narrows 5 6,470 ft
Pinewood Reservoir 22 6,604 ft
Stove Prairie 9 6,068 ft
Reverends Ridge - Golden Gate State Park 106 9,105 ft
Lower Narrows 8 6,470 ft
Kelly Flats 29 6,751 ft
Aspen Meadow - Golden Gate Canyon State Park 35 9,000 ft
Jacks Gulch 56 8,100 ft
Ski Area Snowpack Air Temperature 5 Day Forecast
Eldora Mountain Resort -1" 66° 0"
Echo Mountain Park 1" 61° 0"
Ski Estes Park (Hidden Valley) -1" 65° 0"
River Run Streamflow Length Class
Steven's Gulch to Bridges Take Out 76.7cfs 12.0 Mi III- to IV+
Tunnel 1 to Golden Whitewater Park 74.7cfs None Mi III- to III+
Main Section 7.98cfs 3.0 Mi IV+ to V
Upper North Fork 66.2cfs 9.0 Mi IV+ to V-
Lower Boulder Canyon 13.7cfs None Mi IV- to V-
Upper Clear Creek 74.7cfs 2.5 Mi IV- to IV+
Rustic (Upper) 76.7cfs 20.0 Mi III to III+
Lower North Fork 76.7cfs 11.0 Mi III
Gnar Section 588.0cfs 1.0 Mi V+
Upper South Boulder Creek 26.6cfs None Mi V+
October Hole 17.4cfs None Mi II
SSV - Confluence to Picnic Grounds 17.4cfs 5.0 Mi V to V+
Filter Plant 2.85cfs None Mi II to III+
Idledale to Morrison 8.83cfs 3.0 Mi IV+ to V
Filter Plant 2.85cfs None Mi II to III+
Middle Narrows 76.7cfs 1.0 Mi IV to V-
NSV 17.4cfs 13.0 Mi V+
Upper South Boulder Creek 26.6cfs None Mi V+
Golden Whitewater Park 2.85cfs 0.75 Mi II+
Lower Narrows 76.7cfs 0.5 Mi V- to V+
Upper Narrows 76.7cfs 0.5 Mi V- to V+