| Riddle Run | |
|---|---|
| |
| Location | |
| Country | United States |
| Physical characteristics | |
| Source | |
| • coordinates | 40°34′24″N79°47′21″W / 40.5733333°N 79.7891667°W |
| Mouth | |
• coordinates | 40°32′22″N79°46′11″W / 40.5395119°N 79.7697702°W |
• elevation | 738 ft (225 m) |
| Basin features | |
| River system | Allegheny River |
Riddle Run is a tributary of the Allegheny River located in Allegheny County in the U.S. state of Pennsylvania. [1]
Riddle Run joins the Allegheny River at the borough of Springdale.