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
Ward C At Hwy 89 Nr Tahoe Pines Ca
USGS 10336676
26 cfs 5.8 ft
Cosumnes R A Michigan Bar Ca
USGS 11335000
199 cfs 3.4 ft
Up Truckee R A South Lake Tahoe Ca
USGS 10336610
74 cfs 4.4 ft
Trout C Nr Tahoe Valley Ca
USGS 10336780
19 cfs 5.3 ft
Deer C Nr Cameron Park Ca
USGS 11335655
8 cfs 3.6 ft
Third Ck Nr Crystal Bay
USGS 10336698
4 cfs 1.9 ft
Independence C Nr Truckee Ca
USGS 10343000
2 cfs 2.2 ft
Truckee R A Farad Ca
USGS 10346000
725 cfs 4.4 ft
Little Truckee R Bl Div Dam Nr Sierraville Ca
USGS 10341950
3 cfs 1.0 ft
Prosser C Bl Prosser C Dam Nr Truckee Ca
USGS 10340500
30 cfs 1.5 ft
Snotel Site Snowpack 24hr Change
Independence Lake
SNOTEL 541
60" -3"
soda springs 1.5 ssw, ca
SNOTEL CA-PC-1
23.72" -2.83"
Independence Creek
SNOTEL 540
1" 0"
Echo Peak
SNOTEL 463
35" -2"
black springs
SNOTEL BLSC1
41.03" 1.49"
alpha
SNOTEL ALPHA_MADIS
162.28" 0.19"
Squaw Valley G.C.
SNOTEL 784
38" 0"
Ward Creek #3
SNOTEL 848
37" -1"
Hagan'S Meadow
SNOTEL 508
5" -2"
Forestdale Creek
SNOTEL 1049
44" -2"
blue canyon alert
SNOTEL BLUC1
0.28" 0"
alpine meadows-base
SNOTEL AMBC1
47.65" 0.47"
Truckee #2
SNOTEL 834
5" -1"
Rubicon #2
SNOTEL 724
25" -1"
Css Lab
SNOTEL 428
27" -1"
Big Meadow
SNOTEL 340
22" -1"
Carson Pass
SNOTEL 1067
33" -4"
bloods creek
SNOTEL BLCC1
31.84" -0.65"
Independence Camp
SNOTEL 539
5" -2"

Outdoor Recreation

Campground Campsites Reservations Toilets Showers Elevation
Carr Lake 12 6,668 ft
Sterling lake- dispersed None 7,036 ft
Donner Summit Area - Lake Spaulding 25 5,045 ft
Lake Spaulding 25 5,048 ft
Robinson Flat 14 6,696 ft
Hampshire Rocks 30 5,921 ft
McMurray None 5,880 ft
Woodchuck 8 6,256 ft
Grouse Ridge 9 7,410 ft
Sterling Lake 8 7,023 ft
Lindsey Lake 10 6,271 ft
Fuller Lake None 5,380 ft
Ski Area Snowpack Air Temperature 5 Day Forecast
Sugar Bowl Resort 5" 55° 0"
Alpine Meadows Ski Area 37" 49° 0"
Tahoe Donner 27" 55° 0"
Donner Ski Ranch 27" 55° 0"
Boreal Mountain Resort 27" 55° 0"
Soda Springs 27" 55° 0"
Squaw Valley 38" 50° 0"
River Run Streamflow Length Class
Coloma to Greenwood - (C to G) 560.0cfs 5.0 Mi II to III-
Tunnel Run (Ralston Powerhouse to Greenwood) 642.0cfs 16.5 Mi IV- to IV
Generation and Giant Gaps (Tadpole to Colfax-Iowa Hill Road) 560.0cfs 26.8 Mi IV to IV+
Yankee Jim Road to Ponderosa Way (Shirttail) 642.0cfs 5.0 Mi II to III
Royal Gorge (Soda Springs to Tadpole Creek) 654.0cfs 25.0 Mi V to V+
Chili Bar 560.0cfs 8.0 Mi III to IV