List of rivers of Colorado

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Main article: Geography of Colorado

See also: Colorado drainage basins

Lists of rivers and streams in the U.S. State of Colorado.

Contents 1 Alphabetical list 1.1 Notes 2 Tributary chart 3 See also 4 References 5 External links

[edit] Alphabetical list

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.

1. Adams Fork Conejos River
2. Alamosa River (383 km² = 148 mi²)
3. Animas River (3,562 km² = 1,375 mi²)
4. Apishapa Creek (2,798 km² = 1,080 mi²)
5. Arikaree River (4,429 km² = 1,710 mi²)
6. Arkansas River (478,501 km² = 184,750 mi²)
7. Aspen Brook
8. Bear Creek (4,500 km² = 1,737 mi²)
9. Bear Creek (339 km² = 131 mi²)
10. Bear River
11. Beaver Creek (2,939 km² = 1,135 mi²)
12. Big Dry Creek
13. Big Sandy Creek (4,825 km² = 1,863 mi²)
14. Big Thompson River (2,149 km² = 830 mi²)
15. Bijou Creek (3,612 km² = 1,395 mi²)
16. Blue River (1,770 km² = 683 mi²)
17. Boulder Creek^[2] (1,160 km² = 448 mi²)
18. Cache la Poudre River (4,959 km² = 1,915 mi²)
19. Canadian River (122,701 km² = 47,375 mi²)
20. Canadian River
21. Chalk Creek
22. Cherry Creek (1,050 km² = 405 mi²)
23. Chico Creek (1,934 km² = 747 mi²)
24. Cimarron River (44,890 km² = 17,332 mi²)
25. Cimarron River
26. Clear Creek (1,497 km² = 578 mi²)
27. Colorado River^[3] (703,132 km² = 271,481 mi²)
    1. The upper Colorado River, formerly known as the Grand River^[3] (67,993 km² = 26,252 mi²)
28. Conejos River (2,078 km² = 802 mi²)
29. Crow Creek (3,717 km² = 1,435 mi²)
30. Crystal River
31. Cucharas River
32. Dolores River (11,998 km² = 4,633 mi²)
33. Dry Fork Michigan River
34. Eagle River (2,515 km² = 971 mi²)
35. East Fork Arkansas River
36. East Fork Cimarron River
37. East Fork Eagle River
38. East Fork Little Cimarron River
39. East Fork Navajo River
40. East Fork Piedra River
41. East Fork Rio Chama
42. East Fork San Juan River
43. East Fork South Fork Crystal River
44. East Mancos River
45. East River (762 km² = 294 mi²)
46. Elk River
47. Encampment River
48. Fall River
49. Fall River
50. First Fork Piedra River
51. First Fork South Fork Piney River
52. Florida River
53. Fountain Creek (2,418 km² = 933 mi²)
54. Fraser River
55. Frenchman Creek (7,398 km² = 2,856 mi²)
56. Fryingpan River
57. Geneva Creek
58. Gore Creek
59. Green River^[4][3] (115,903 km² = 44,750 mi²)
60. Gunnison River^[5] (20,851 km² = 8,051 mi²)
61. Hidden River
62. Hill Branch Cucharas River
63. Horse Creek (3,680 km² = 1,421 mi²)
64. Huerfano River (4,840 km² = 1,869 mi²)
65. Illinois River
66. Kiowa Creek (1,888 km² = 729 mi²)
67. La Plata River
68. Ladder Creek (3,645 km² = 1,407 mi²)
69. Laramie River (11,961 km² = 4,618 mi²)
70. Left Hand Creek
71. Little Beaver Creek (1,602 km² = 619 mi²)
72. Little Cimarron River
73. Little Dolores River
74. Little Dry Creek
75. Little Navajo River
76. Little Snake River (10,629 km² = 4,104 mi²)
77. Little Thompson River
78. Lodgepole Creek (8,374 km² = 3,233 mi²)
79. Lone Tree Creek
80. Los Piños River
81. Mancos River (2,099 km² = 810 mi²)
82. McElmo Creek (1,842 km² = 711 mi²)
83. Michigan River
84. Middle Fork Cimarron River
85. Middle Fork Conejos River
86. Middle Fork Elk River
87. Middle Fork Little Snake River
88. Middle Fork Piedra River
89. Middle Fork Purgatoire River
90. Middle Fork South Arkansas River
91. Middle Fork South Platte River
92. Middle Fork Swan River
93. Middle Mancos River
94. Montezuma Creek (3,044 km² = 1,175 mi²)
95. Muddy Creek
96. Navajo River
97. North Branch Conejos River
98. North Fork Animas River
99. North Fork Apishapa River
100. North Fork Arikaree River
101. North Fork Big Thompson River
102. North Fork Cache la Poudre River
103. North Fork Canadian River
104. North Fork Cimarron River (4,462 km² = 1,723 mi²)
105. North Fork Conejos River
106. North Fork Crystal River
107. North Fork Fryingpan River
108. North Fork Gunnison River (2,492 km² = 962 mi²)
109. North Fork Little Snake River
110. North Fork Little Thompson River
111. North Fork Los Piños River
112. North Fork Michigan River
113. North Fork North Platte River
114. North Fork Piney River
115. North Fork Purgatoire River
116. North Fork Republican River (13,172 km² = 5,086 mi²)
117. North Fork Rio de los Piños
118. North Fork Smoky Hill River (1,965 km² = 759 mi²)
119. North Fork Snake River
120. North Fork South Arkansas River
121. North Fork South Platte River
122. North Fork Swan River
123. North Fork Vermejo River
124. North Fork West Branch Laramie River
125. North Fork West Mancos River
126. North Fork White River
127. North Platte River (80,755 km² = 31,180 mi²)
128. North Saint Charles River
129. Owl Creek
130. Parachute Creek
131. Pawnee Creek (1,875 km² = 724 mi²)
132. Piceance Creek (1,630 km² = 629 mi²)
133. Piedra River (1,770 km² = 683 mi²)
134. Piney River
135. Plateau Creek
136. Purgatoire River (8,923 km² = 3,445 mi²)
137. Ralston Creek
138. Rio Blanco
139. Rio Chama (8,204 km² = 3,168 mi²)
140. Rio Chamita
141. Rio de los Piños
142. Rio Grande (457,275 km² = 176,555 mi²)
143. Rio Lado
144. Rio San Antonio
145. Roan Creek
146. Roaring Fork Little Snake River
147. Roaring Fork River (3,766 km² = 1,454 mi²)
148. Roaring River
149. Rush Creek (3,570 km² = 1,378 mi²)
150. Saguache Creek (3,482 km² = 1,345 mi²)
151. Saint Charles River
152. Saint Vrain Creek (2,572 km² = 993 mi²)
153. San Juan River (64,560 km² = 24,927 mi²)
154. San Luis Creek (7,000 km² = 2,703 mi²)
155. San Miguel River (4,060 km² = 1,567 mi²)
156. Sand Arroyo Creek (1,938 km² = 748 mi²)
157. Sand Creek
158. Sidney Draw (1,949 km² = 753 mi²)
159. Slate River
160. Smoky Hill River (51,783 km² = 19,994 mi²)
161. Snake River
162. South Arkansas River
163. South Fork Animas River
164. South Fork Beaver Creek (1,939 km² = 749 mi²)
165. South Fork Cache la Poudre River
166. South Fork Canadian River
167. South Fork Conejos River
168. South Fork Crystal River
169. South Fork Cucharas River
170. South Fork Eagle River
171. South Fork Elk River
172. South Fork Fryingpan River
173. South Fork Huerfano River
174. South Fork Little Snake River
175. South Fork Michigan River
176. South Fork Piney River
177. South Fork Purgatoire River
178. South Fork Republican River (7,195 km² = 2,778 mi²)
179. South Fork Rio Grande
180. South Fork San Miguel River
181. South Fork South Platte River
182. South Fork Swan River
183. South Fork West Mancos River
184. South Fork White River
185. South Platte River (62,738 km² = 24,223 mi²)
186. Spring Creek
187. Spruce Creek
188. Swan River
189. Tarryall Creek
190. Taylor River (1,258 km² = 486 mi²)
191. Tomichi Creek (2,874 km² = 1,109 mi²)
192. Trinchera Creek
193. Two Butte Creek (2,107 km² = 814 mi²)
194. Uncompahgre River (2,921 km² = 1,128 mi²)
195. Vermillion Creek (2,500 km² = 965 mi²)
196. West Branch Laramie River
197. West Dolores River
198. West Fork Animas River
199. West Fork Cimarron River
200. West Fork Elk River
201. West Fork Encampment River
202. West Fork Little Thompson River
203. West Fork North Fork Purgatoire River
204. West Fork Rio Chama
205. West Fork San Juan River
206. West Mancos River
207. White River (12,989 km² = 5,015 mi²)
208. White Woman Creek (3,000 km² = 1,158 mi²)
209. Williams Fork
210. Willow Creek
211. Wind River
212. Yampa River (21,506 km² = 8,304 mi²)
213. Yellow Creek (760 km² = 293 mi²)

[edit] Notes

Of the 158 named rivers that flow through the State of Colorado, all but the Green River^[4][3] have their headwaters in that state.

As of 2008-02-01, the U.S. Board on Geographic Names had identified 5,564 natural streams in the State of Colorado. Of this number, 147 larger streams (2.6%) were named river and 11 (0.2%) were named rio. The vast majority of the Colorado streams (5082 or 91.3%) were named creek. Of the remaining Colorado streams, 122 (2.2%) were named arroyo, 60 (1.1%) were named wash, 44 (0.8%) were named fork, 18 (0.3%) were named branch, 17 (0.3%) were named brook, 17 (0.3%) were named run, 15 (0.3%) were named rito, 10 (0.2%) were named slough, but not a single stream was named stream. Perhaps the strangest stream name in Colorado belongs to the West Fork East Fork Williams Fork located in Garfield County.

Many streams in Colorado share a name with another stream in that state. In addition to the Canadian River that is the largest tributary of the Arkansas River, there is also a Canadian River that is a tributary of the North Platte River. In addition to the Cimarron River that is another major tributary of the Arkansas River, there is also a Cimarron River that is a tributary of the Gunnison River. There is a Fall River that is a tributary of the Big Thompson River as well as a Fall River that is a tributary of Clear Creek.

There are 72 streams in the State of Colorado that are named Willow Creek, 71 streams named Spring Creek, 53 streams named Cottonwood Creek, 49 streams named Bear Creek, 49 streams named Beaver Creek, 48 streams named Dry Creek, 33 steams named Rock Creek, 33 streams named Sand Creek, and 32 steams named Mill Creek. The Arkansas River and the Colorado River flow through Colorado, as do a Florida River, an Idaho Creek, an Illinois River, an Indiana Creek, a Maryland Creek, a Michigan River, a Minnesota Creek, six Missouri Creeks, a Montana Creek, two New York Creeks, two Ohio Creeks, two Pennsylvania Creeks, two Tennessee Creeks, seven Texas Creeks, and a Virginia Creek.

[edit] Tributary chart

The following tributary chart shows many important streams that flow through the State of Colorado including all 158 named rivers. The chart is arranged by tributary and area of the drainage basin.^[1] The names of the 17 Colorado rivers with a drainage basin of more than 10,000 square kilometers (3,861 square miles) are shown in bold. Oceans and streams outside of Colorado are shown in italics.

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

[edit] See also

• hydrology
  • surface-water hydrology
    • stream
      • river
• State of Colorado
  • Geography of Colorado
    • Colorado drainage basins
• Wikimedia Commons: Rivers of Colorado

[edit] References

[edit] External links

• State of Colorado website
  • Colorado Division of Natural Resources
    • Colorado Water Conservation Board
    • Colorado Division of Water Resources
    • Colorado Geological Survey
      • Major Rivers of Colorado
    • Colorado's Decision Support Systems

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