Northern Sierra Nevada, California Whitwater Rivers American River - Middle Fork Class IV-V - 2.1 miles long (Mosquito Ridge Road to confluence with Middle Fork) Placer County American River - Middle Fork Class II-IV(V+) - 17 miles long (Oxbow Bend to Drivers Flat Road) Placer/El Dorado County American River - Middle Fork Class I(II) - 7.1 miles long (former Greenwood Bridge to Mammoth Bar) Placer / El Dorado County American River - North Fork Class IV-V - 12.3 miles long (Tadpole Creek to Euchre Bar) Placer County American River - North Fork Class IV-V - 14.5 miles long (Euchre Bar to Colfax-Iowa Hill Road) Placer County American River - North Fork Class IV-V - 4.8 miles long (Colfax-Iowa Hill Road to Colfax-Foresthill Road Bridge) Placer County American River - North Fork Class II-III - 5 miles long (Colfax-Foresthill Road Bridge to Ponderosa Way Bridge) Placer County American River - North Fork Class II - 3 miles long (Confluence with Middle Fork to Folsom Lake) Placer County American River - South Fork Class III+ - 15 miles long (Lotus Campground to Folsom Lake) El Dorado County American River - South Fork Class II-IV - 20.5 miles long (Route 193 to Folsom Lake) El Dorado County American River - South Fork Class IV-V - 7 miles long (Slab Creek Dam to White Rock Powerhouse) El Dorado County American River - South Fork Class IV-V - 9.4 miles long (Peavine Ridge Road to Forebay Road) El Dorado County American River - South Fork Class III-IV - 3.5 miles long (Riverton to Peavine Ridge Road) El Dorado County American River - South Fork Class III-V - 9.6 miles long (Kyburz to Riverton) El Dorado County American River - South Fork Class IV-V - 9.6 miles long (Strawberry to Kyburz) El Dorado County Antelope Creek Class III-IV - 20 miles long (Hogsback Road to Cone Grove Road) Tehama County Bear River Class II-V - 11 miles long (Highway 174 Bridge to Lake Combie) Nevada / Placer County Big Kimshew Creek Class V - -blank- miles long (to Confluence with West Fork of Feather) Butte County Butte Creek Class II+ - 6 miles long (PGandE Powerhouse to Covered Bridge) Butte County Camp Creek Class IV+ - 10.1 miles long (Fleming Meadows trailhead to Happy Valley Road) El Dorado County Carson River - East Fork Class II - 20 miles long (Hangman's Bridge to CA-NV border) Alpine County Carson River - East Fork Class III - 7.3 miles long (Cave Rock to Hangman's Bridge) Alpine County Carson River - East Fork Class II - 20 miles long (Hangman's Bridge to Gardnerville) Alpine County Cosumnes River - Middle Fork Class IV-V+ - 11 miles long (Outingdale to Highway 49) El Dorado County Deer Creek Class IV-V - 43 miles long (Highway 32 to Route 99) Tehama County Feather River - Middle Fork Class II-III - 6.5 miles long (Sloat to Nelson Point) Plumas County Feather River - Middle Fork Class V+ - 32.5 miles long (Nelson Point to Milsap Bridge) Plumas/ Butte County Feather River - Middle Fork Class V+ - 6.5 miles long (Milsap Bridge to Lake Oroville) Plumas/ Butte County Feather River - North Fork Class III-V - 10 miles long (Virgilia to Belden) Plumas County Feather River - North Fork Class III-IV - 6 miles long (Caribou to East BrancHighway North Fork Feather) Plumas County Feather River - North Fork Class III-V - 8 miles long (Rock Creek Dam to Rock Creek Powerhouse) Plumas County Feather River - North Fork Class III-V - 6.5 miles long (Cresta Dam to Poe Dam) Plumas/ Butte County Feather River - North Fork Class IV-V - 7.5 miles long (Poe Dam to Poe Powerhouse) Butte County Feather River - South Fork Class IV - 8.3 miles long (Little Grass Valley Reservoir to South Fork Diversion Dam) Plumas County Fordyce Creek Class IV-V - 12 miles long (Fordyce Lake to Lake Spaulding) Nevada County Indian Creek Feather Tributary Class V - 5.5 miles long (Close to Crescent Mills to Spanish Creek) Plumas County Lavezzola Creek Class IV(V) - 4 miles long (2nd Divide Bridge to Downieville) Sierra County Mill Creek Class IV-V+ - 43 miles long (Town of Mill Creek to First Diversion Dam) Tehama County Mokelumne River Class II-III - 6 miles long (Ponderosa Way to Highway 49 Bridge) Amador/ Calaveras County Mokelumne River - North Fork Class V+ - 24.9 miles long (Route 4 Bridge to Salt Springs Reservoir) Alpine/ Amador/ Calaveras County Mokelumne River - North Fork Class III-IV - 3 miles long (Below Tiger Creek to Red Corral Road) Amador/ Calaveras County Mokelumne River - North Fork Class III-V - 14.8 miles long (Close to Bear River to Tiger Creek Afterbay) Amador/ Calaveras County Pauley Creek Class III-IV - 4 miles long (Second Divide Turnout to Downieville) Sierra County Rubicon River Class V - 20.3 miles long (Ellicott Bridge to Ralston Afterbay) Placer/ El Dorado County Silver Creek - South Fork Class V+ - 2 miles long (Atherton Flat to Ice House Reservoir) El Dorado County Truckee River Class I-III - 8 miles long (Verdi to Mayberry Park) Washoe County Truckee River Class II-III - 0.5 miles long (Truckee River Whitewater Park Reno) Washoe County Truckee River Class I-III - 10 miles long (Mayberry Park to Cottonwood Park) -blank- County Truckee River Class III - 8 miles long (Farad Powerhouse to Verdi) Nevada/ Sierra/ Washoe County Truckee River Class II-III - 27 miles long (Alpine Meadows Road to Floriston) Placer/ Nevada County Yuba River Class IV-V - 7.5 miles long (North and Middle Fork confluence to Englebright Reservoir) Yuba/ Nevada County Yuba River Class I-III - 6 miles long (Englebright Dam to Highway 20) Yuba/ Nevada County Yuba River - Middle Fork Class III-V - 22 miles long (Plumago Crossing to Route 49) Sierra/ Nevada/ Yuba County Yuba River - Middle Fork Class IV-V - 4.5 miles long (Route 49 to North Fork Yuba) Nevada/ Yuba County Yuba River - North Fork Class II-V - 4 miles long (Downieville to Goodyears Bar Bridge) Sierra County Yuba River - North Fork Class IV-V - 13 miles long (Wild Plum Campground to Downieville) Sierra County Yuba River - North Fork Class IV - 8.5 miles long (Goodyears Bar Bridge to Highway 49 Bridge) Sierra County Yuba River - North Fork Class V - 2.3 miles long (Bullards Bar Dam to Middle Fork Yuba) Yuba County Yuba River - South Fork Class IV - 4 miles long (Edwards Crossing to Purdon Crossing) Nevada County Yuba River - South Fork Class IV - 14 miles long (Washington to Edwards Crossing) Nevada County Yuba River - South Fork Class IV-V - 7.2 miles long (Route 49 to Bridgeport) Nevada County Yuba River - South Fork Class IV-V - 4 miles long (Purdon's Crossing to Route 49) Nevada County Yuba River - South Fork Class IV-V(V+) - 7.5 miles long (Cisco Grove to Spaulding Reservoir) Nevada/ Placer County Yuba River - South Fork Class IV-V - 5.2 miles long (Kingvale to Cisco Grove) Nevada/ Placer County