Tributaries of the Clarion River
The Tributaries of the Clarion River drain parts of Jefferson, Clarion, and Armstrong counties, Pennsylvania. The following table lists all the named tributaries of the Clarion River, a tributary of the Allegheny River. For each stream, the name, tributary number, coordinate and political subdivision of the confluence, and coordinate of the source are given.
Direct tributaries
| Name | Number | Bank | Mouth | Political subdivision | Source | Political subdivision |
| West Branch Clarion River | 1 | Right | Johnsonburg, Pennsylvania | Mount Jewett, Pennsylvania | ||
| East Branch Clarion River | 2 | Left | Johnsonburg, Pennsylvania | Sergeant Township, McKean County | ||
| Johnson Run | 3 | Right | Johnsonburg, Pennsylvania | Ridgway Township, Elk County | ||
| Powers Run | 4 | Left | Johnsonburg, Pennsylvania | St. Marys, Pennsylvania | ||
| Riley Run | 5 | Right | Ridgway Township, Elk County | Ridgway Township, Elk County | ||
| Little Mill Creek | 6 | Right | Ridgway Township, Elk County | Jones Township, Elk County | ||
| Mason Creek | 7 | Right | Ridgway Township, Elk County | Ridgway Township, Elk County | ||
| Elk Creek | 8 | Left | Ridgway, Pennsylvania | St. Marys, Pennsylvania | ||
| Island Run | 9 | Left | Ridgway Township, Elk County | Ridgway Township, Elk County | ||
| Big Mill Creek | 10 | Right | Ridgway Township, Elk County | Jones Township, Elk County | ||
| Connerville Run | 11 | Right | Ridgway Township, Elk County | Ridgway Township, Elk County | ||
| Dog Hollow Run | 12 | Left | Ridgway Township, Elk County | Ridgway Township, Elk County | ||
| Gillis Run | 13 | Right | Ridgway Township, Elk County | Ridgway Township, Elk County | ||
| Little Toby Creek | 14 | Left | Spring Creek Township, Elk County | Fox Township, Elk County, Pennsylvania | ||
| Bear Creek | 15 | Right | Spring Creek Township, Elk County | Highland Township, Elk County | ||
| Mahood Run | 16 | Left | Spring Creek Township, Elk County | Spring Creek Township, Elk County | ||
| Beech Bottom Run | 17 | Left | Spring Creek Township, Elk County | Spring Creek Township, Elk County | ||
| Lake City Run | 18 | Left | Spring Creek Township, Elk County | Spring Creek Township, Elk County | ||
| Crow Run | 19 | Right | Spring Creek Township, Elk County | Spring Creek Township, Elk County | ||
| Irwin Run | 20 | Right | Spring Creek Township, Elk County | Spring Creek Township, Elk County | ||
| Spring Creek | 21 | Right | Spring Creek Township, Elk County | Howe Township, Forest County | ||
| Maxwell Run | 22 | Left | Spring Creek Township, Elk County | Spring Creek Township, Elk County | ||
| Elliott Run | 23 | Right | Spring Creek Township, Elk County | Millstone Township, Elk County | ||
| Daugherty Run | 24 | Left | Heath Township, Jefferson County | Spring Creek Township, Elk County | ||
| Raught Run | 25 | Left | Heath Township, Jefferson County | Heath Township, Jefferson County | ||
| Painter Run | 26 | Heath Township, Jefferson County | Millstone Township, Elk County | |||
| Church Run | 27 | Right | Millstone Township, Elk County | Millstone Township, Elk County | ||
| Clyde Run | 28 | Right | Heath Township, Jefferson County | Millstone Township, Elk County | ||
| Callen Run | 29 | Left | Heath Township, Jefferson County | Polk Township, Jefferson County | ||
| Cline Run | 30 | Right | Millstone Township, Elk County | Millstone Township, Elk County | ||
| Wyncoop Run | 31 | Right | Heath Township, Jefferson County | Millstone Township, Elk County | ||
| Leeper Run | 32 | Left | Heath Township, Jefferson County | Heath Township, Jefferson County | ||
| Pine Run | 33 | Left | Heath Township, Jefferson County | Heath Township, Jefferson County | ||
| Millstone Creek | 34 | Right | Millstone Township, Elk County | Millstone Township, Elk County | ||
| Shippen Run | 35 | Right | Barnett Township, Forest County | Barnett Township, Forest County | ||
| Clear Creek | 36 | Left | Barnett Township, Jefferson County | Heath Township, Jefferson County | ||
| Tadler Run | 37 | Left | Barnett Township, Jefferson County | Barnett Township, Jefferson County | ||
| Cherry Run | 38 | Right | Barnett Township, Forest County | Barnett Township, Forest County | ||
| Maple Creek | 39 | Right | Barnett Township, Jefferson County | Jenks Township, Forest County, Pennsylvania | ||
| Coleman Run | 40 | Right | Barnett Township, Forest County | Farmington Township, Clarion County | ||
| Troutman Run | 41 | Right | Barnett Township, Jefferson County | Barnett Township, Forest County | ||
| Henry Run | 42 | Right | Barnett Township, Jefferson County | Barnett Township, Forest County | ||
| Toms Run | 43 | Right | Barnett Township, Forest County | Farmington Township, Clarion County | ||
| Henry Run | 44 | Right | Farmington Township, Clarion County | Farmington Township, Clarion County | ||
| Cathers Run | 45 | Left | Millcreek Township, Clarion County | Eldred Township, Jefferson County | ||
| Watson Run | 46 | Right | Farmington Township, Clarion County | Farmington Township, Clarion County | ||
| Maxwell Run | 47 | Left | Millcreek Township, Clarion County | Millcreek Township, Clarion County | ||
| Callihan Run | 48 | Right | Highland Township, Clarion County | Highland Township, Clarion County | ||
| Blyson Run | 49 | Left | Millcreek Township, Clarion County | Millcreek Township, Clarion County | ||
| McGourvey Run | 50 | Right | Millcreek Township, Clarion County | Highland Township, Clarion County | ||
| Mill Creek | 51 | Left | Millcreek Township, Clarion County | Eldred Township, Jefferson County | ||
| Reed Run | 52 | Right | Highland Township, Clarion County | Highland Township, Clarion County | ||
| Toby Creek | 53 | Right | Highland Township, Clarion County | Farmington Township, Clarion County | ||
| Trout Run | 54 | Left | Monroe Township, Clarion County | Clarion Township, Clarion County | ||
| Courtleys Run | 55 | Left | Monroe Township, Clarion County | Monroe Township, Clarion County | ||
| Piney Reservoir | 56 | Piney Township, Clarion County | ||||
| Piney Dam | 57 | Paint Township, Clarion County | ||||
| Piney Creek | 58 | Left | Piney Township, Clarion County | Limestone Township, Clarion County, Pennsylvania | ||
| Deer Creek | 59 | Right | Beaver Township, Clarion County | Ashland Township, Clarion County | ||
| Canoe Creek | 60 | Right | Beaver Township, Clarion County | Ashland Township, Clarion County | ||
| Beaver Creek | 61 | Right | Licking Township, Clarion County | Ashland Township, Clarion County | ||
| Licking Creek | 62 | Left | Licking Township, Clarion County | Porter Township, Clarion County | ||
| Turkey Run | 63 | Right | Richland Township, Clarion County | Salem Township, Clarion County |