Generation And Giant Gaps (Tadpole To Colfax-Iowa Hill Road)


The gaps are still expert runs but the river has calmed down some (compared to the Royal Gorge).  There is still plenty of class IV and V to be had in here so this run is still for advanced boaters.

Suggested river levels for paddling this section of the American River, North Fork are between a bare minimum of 500cfs and a high of 2,500cfs. River conditions sourced from USGS 11427000, the Nf American R A North Fork Dam Ca Remember only watercraft are permitted at Generation and Giant Gaps (Tadpole to Colfax-Iowa Hill Road).

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Whitewater Rapids

Obstacles on the river run
Tadpole Falls
Class V
Mumford Bar Ledge Rapid
Class IV+
Slide Rapid
Class IV to IV+
F-14
Class V-
Giant Gap Entrance Rapid
Class III+ to IV
Grater Rapid
Class IV to IV+
Nutcracker Rapid
Class IV to V-
Locomotive Rapid
Class IV+ to V
Dominator Rapid
Class V
Pinball Rapid
Class IV

Area Hydrology

Gauge Streamflow Stage
Glenbrook Ck At Glenbrook
USGS 10336730
1 cfs 1.7 ft
Truckee River Nr Mogul
USGS 10347460
257 cfs 5.5 ft
Truckee R A Boca Bridge Nr Truckee Ca
USGS 10344505
253 cfs 5.9 ft
Blackwood C Nr Tahoe City Ca
USGS 10336660
12 cfs 8.2 ft
Little Truckee R Bl Boca Dam Nr Truckee Ca
USGS 10344500
24 cfs 1.1 ft
Logan House Ck Nr Glenbrook
USGS 10336740
0 cfs 4.1 ft
Pilot C Ab Stumpy Meadows Res Ca
USGS 11431800
3 cfs 4.1 ft
Deer C Nr Cameron Park Ca
USGS 11335655
8 cfs 3.6 ft
Edgewood Ck At Stateline
USGS 10336760
2 cfs 3.7 ft
Ward C At Hwy 89 Nr Tahoe Pines Ca
USGS 10336676
8 cfs 5.6 ft
Snotel Site Snowpack 24hr Change
Carson Pass
SNOTEL 1067
50" 0"
boca
SNOTEL BOCC1
16.98" -1.44"
Squaw Valley G.C.
SNOTEL 784
51" -1"
Echo Peak
SNOTEL 463
64" 0"
Independence Creek
SNOTEL 540
31" 0"
bloods creek
SNOTEL BLCC1
54.12" -0.25"
Tahoe City Cross
SNOTEL 809
33" 0"
soda springs 1.5 ssw, ca
SNOTEL CA-PC-1
66.94" 2.1"
Independence Camp
SNOTEL 539
53" 0"
Independence Lake
SNOTEL 541
88" 0"
Ward Creek #3
SNOTEL 848
61" -1"
alpha
SNOTEL ALPHA_MADIS
45.38" 2.79"
Hagan'S Meadow
SNOTEL 508
36" 0"
Rubicon #2
SNOTEL 724
50" 0"
Forestdale Creek
SNOTEL 1049
55" -1"
tahoma .5 s, ca
SNOTEL CA-ED-9
32.7" 2.11"
alpine meadows-base
SNOTEL AMBC1
57.4" -1.06"
black springs
SNOTEL BLSC1
54.58" -0.09"
Css Lab
SNOTEL 428
71" -1"
Fallen Leaf
SNOTEL 473
28" 0"
Truckee #2
SNOTEL 834
43" 0"
blue canyon
SNOTEL BLU
47" 0"
blue canyon alert
SNOTEL BLUC1
46.39" -1.04"
Big Meadow
SNOTEL 340
49" 0"

Outdoor Recreation

Campground Campsites Reservations Toilets Showers Elevation
Donner Summit Area - Lake Spaulding 25 5,045 ft
Sterling lake- dispersed None 7,036 ft
McMurray None 5,880 ft
Lake Spaulding 25 5,048 ft
Lindsey Lake 10 6,271 ft
Hampshire Rocks 30 5,921 ft
Grouse Ridge 9 7,410 ft
Fuller Lake None 5,380 ft
Carr Lake 12 6,668 ft
Sterling Lake 8 7,023 ft
Woodchuck 8 6,256 ft
Robinson Flat 14 6,696 ft
Ski Area Snowpack Air Temperature 5 Day Forecast
Boreal Mountain Resort 71" 43° 0"
Alpine Meadows Ski Area 61" 38° 0"
Soda Springs 71" 43° 0"
Tahoe Donner 71" 43° 0"
Sugar Bowl Resort 43" 42° 0"
Donner Ski Ranch 71" 43° 0"
Squaw Valley 51" 38° 0"
River Run Streamflow Length Class
Royal Gorge (Soda Springs to Tadpole Creek) 253.0cfs 25.0 Mi V to V+
Yankee Jim Road to Ponderosa Way (Shirttail) 614.0cfs 5.0 Mi II to III
Chili Bar 614.0cfs 8.0 Mi III to IV
Tunnel Run (Ralston Powerhouse to Greenwood) 614.0cfs 16.5 Mi IV- to IV
Coloma to Greenwood - (C to G) 614.0cfs 5.0 Mi II to III-
Generation and Giant Gaps (Tadpole to Colfax-Iowa Hill Road) 614.0cfs 26.8 Mi IV to IV+