Colorado drainage basins Table of major drainage basins Major Drainage Basins of the State of Colorado

| Basin | Outlet | Total_Area | In_State_Area | _In_State |
|---|---|---|---|---|
| Piedra River | San Juan River | 068 1,770km 2 683mi 2 | 052 1,770km 2 683mi 2 | A026 100% |
| Piceance Creek | White River | 069 1,630km 2 629mi 2 | 054 1,630km 2 629mi 2 | A027 100% |
| Little Beaver Creek | Beaver Creek | 070 1,602km 2 619mi 2 | 072 210km 2 81mi 2 | A065 13.1% |
| Clear Creek | South Platte River | 071 1,497km 2 578mi 2 | 055 1,497km 2 578mi 2 | A028 100% |
| Taylor River | Gunnison River | 072 1,258km 2 486mi 2 | 058 1,258km 2 486mi 2 | A029 100% |
| Boulder Creek | Saint Vrain Creek | 073 1,160km 2 448mi 2 | 060 1,160km 2 448mi 2 | A030 100% |
| Cherry Creek | South Platte River | 073 1,050km 2 405mi 2 | 060 1,050km 2 405mi 2 | A030 100% |