213 . . . The following alphabetical list includes many important streams that flow through the State of Colorado including all 158 named rivers. Where available, the total extent of the stream's drainage basin[1] is shown after the name. The names of the 17 Colorado rivers with a drainage basin of more than 10,000 square kilometers (3,861 square miles or about three times the area of Rhode Island) are shown in bold. # Adams Fork Conejos River # Alamosa River (383 km² = 148 mi²) # Animas River (3,562 km² = 1,375 mi²) # Apishapa Creek (2,798 km² = 1,080 mi²) # Arikaree River (4,429 km² = 1,710 mi²) # Arkansas River (478,501 km² = 184,750 mi²) # Aspen Brook # Bear Creek (4,500 km² = 1,737 mi²) # Bear Creek (339 km² = 131 mi²) # Bear River # Beaver Creek (2,939 km² = 1,135 mi²) # Big Dry Creek # Big Sandy Creek (4,825 km² = 1,863 mi²) # Big Thompson River (2,149 km² = 830 mi²) # Bijou Creek (3,612 km² = 1,395 mi²) # Blue River (1,770 km² = 683 mi²) # Boulder Creek[2] (1,160 km² = 448 mi²) # Cache la Poudre River (4,959 km² = 1,915 mi²) # Canadian River (122,701 km² = 47,375 mi²) # Canadian River # Chalk Creek # Cherry Creek (1,050 km² = 405 mi²) # Chico Creek (1,934 km² = 747 mi²) # Cimarron River (44,890 km² = 17,332 mi²) # Cimarron River # Clear Creek (1,497 km² = 578 mi²) # Colorado River[3] (703,132 km² = 271,481 mi²) ## The upper Colorado River, formerly known as the Grand River[3] (67,993 km² = 26,252 mi²) # Conejos River (2,078 km² = 802 mi²) # Crow Creek (3,717 km² = 1,435 mi²) # Crystal River # Cucharas River # Dolores River (11,998 km² = 4,633 mi²) # Dry Fork Michigan River # Eagle River (2,515 km² = 971 mi²) # East Fork Arkansas River # East Fork Cimarron River # East Fork Eagle River # East Fork Little Cimarron River # East Fork Navajo River # East Fork Piedra River # East Fork Rio Chama # East Fork San Juan River # East Fork South Fork Crystal River # East Mancos River # East River (762 km² = 294 mi²) # Elk River # Encampment River # Fall River # Fall River # First Fork Piedra River # First Fork South Fork Piney River # Florida River # Fountain Creek (2,418 km² = 933 mi²) # Fraser River # Frenchman Creek (7,398 km² = 2,856 mi²) # Fryingpan River # Geneva Creek # Gore Creek # Green River[4][3] (115,903 km² = 44,750 mi²) # Gunnison River[5] (20,851 km² = 8,051 mi²) # Hidden River # Hill Branch Cucharas River # Horse Creek (3,680 km² = 1,421 mi²) # Huerfano River (4,840 km² = 1,869 mi²) # Illinois River # Kiowa Creek (1,888 km² = 729 mi²) # La Plata River # Ladder Creek (3,645 km² = 1,407 mi²) # Laramie River (11,961 km² = 4,618 mi²) # Left Hand Creek # Little Beaver Creek (1,602 km² = 619 mi²) # Little Cimarron River # Little Dolores River # Little Dry Creek # Little Navajo River # Little Snake River (10,629 km² = 4,104 mi²) # Little Thompson River # Lodgepole Creek (8,374 km² = 3,233 mi²) # Lone Tree Creek # Los Piños River # Mancos River (2,099 km² = 810 mi²) # McElmo Creek (1,842 km² = 711 mi²) # Michigan River # Middle Fork Cimarron River # Middle Fork Conejos River # Middle Fork Elk River # Middle Fork Little Snake River # Middle Fork Piedra River # Middle Fork Purgatoire River # Middle Fork South Arkansas River # Middle Fork South Platte River # Middle Fork Swan River # Middle Mancos River # Montezuma Creek (3,044 km² = 1,175 mi²) # Muddy Creek # Navajo River # North Branch Conejos River # North Fork Animas River # North Fork Apishapa River # North Fork Arikaree River # North Fork Big Thompson River # North Fork Cache la Poudre River # North Fork Canadian River # North Fork Cimarron River (4,462 km² = 1,723 mi²) # North Fork Conejos River # North Fork Crystal River # North Fork Fryingpan River # North Fork Gunnison River (2,492 km² = 962 mi²) # North Fork Little Snake River # North Fork Little Thompson River # North Fork Los Piños River # North Fork Michigan River # North Fork North Platte River # North Fork Piney River # North Fork Purgatoire River # North Fork Republican River (13,172 km² = 5,086 mi²) # North Fork Rio de los Piños # North Fork Smoky Hill River (1,965 km² = 759 mi²) # North Fork Snake River # North Fork South Arkansas River # North Fork South Platte River # North Fork Swan River # North Fork Vermejo River # North Fork West Branch Laramie River # North Fork West Mancos River # North Fork White River # North Platte River (80,755 km² = 31,180 mi²) # North Saint Charles River # Owl Creek # Parachute Creek # Pawnee Creek (1,875 km² = 724 mi²) # Piceance Creek (1,630 km² = 629 mi²) # Piedra River (1,770 km² = 683 mi²) # Piney River # Plateau Creek # Purgatoire River (8,923 km² = 3,445 mi²) # Ralston Creek # Rio Blanco # Rio Chama (8,204 km² = 3,168 mi²) # Rio Chamita # Rio de los Piños # Rio Grande (457,275 km² = 176,555 mi²) # Rio Lado # Rio San Antonio # Roan Creek # Roaring Fork Little Snake River # Roaring Fork River (3,766 km² = 1,454 mi²) # Roaring River # Rush Creek (3,570 km² = 1,378 mi²) # Saguache Creek (3,482 km² = 1,345 mi²) # Saint Charles River # Saint Vrain Creek (2,572 km² = 993 mi²) # San Juan River (64,560 km² = 24,927 mi²) # San Luis Creek (7,000 km² = 2,703 mi²) # San Miguel River (4,060 km² = 1,567 mi²) # Sand Arroyo Creek (1,938 km² = 748 mi²) # Sand Creek # Sidney Draw (1,949 km² = 753 mi²) # Slate River # Smoky Hill River (51,783 km² = 19,994 mi²) # Snake River # South Arkansas River # South Fork Animas River # South Fork Beaver Creek (1,939 km² = 749 mi²) # South Fork Cache la Poudre River # South Fork Canadian River # South Fork Conejos River # South Fork Crystal River # South Fork Cucharas River # South Fork Eagle River # South Fork Elk River # South Fork Fryingpan River # South Fork Huerfano River # South Fork Little Snake River # South Fork Michigan River # South Fork Piney River # South Fork Purgatoire River # South Fork Republican River (7,195 km² = 2,778 mi²) # South Fork Rio Grande # South Fork San Miguel River # South Fork South Platte River # South Fork Swan River # South Fork West Mancos River # South Fork White River # South Platte River (62,738 km² = 24,223 mi²) # Spring Creek # Spruce Creek # Swan River # Tarryall Creek # Taylor River (1,258 km² = 486 mi²) # Tomichi Creek (2,874 km² = 1,109 mi²) # Trinchera Creek # Two Butte Creek (2,107 km² = 814 mi²) # Uncompahgre River (2,921 km² = 1,128 mi²) # Vermillion Creek (2,500 km² = 965 mi²) # West Branch Laramie River # West Dolores River # West Fork Animas River # West Fork Cimarron River # West Fork Elk River # West Fork Encampment River # West Fork Little Thompson River # West Fork North Fork Purgatoire River # West Fork Rio Chama # West Fork San Juan River # West Mancos River # White River (12,989 km² = 5,015 mi²) # White Woman Creek (3,000 km² = 1,158 mi²) # Williams Fork # Willow Creek # Wind River # Yampa River (21,506 km² = 8,304 mi²) # Yellow Creek (760 km² = 293 mi²)