Riddle Run

Riddle Run is a tributary of the Allegheny River located in Allegheny County in the U.S. state of Pennsylvania.

Course

Riddle Run joins the Allegheny River at the borough of Springdale.

See also

• List of rivers of Pennsylvania
• List of tributaries of the Allegheny River
• Rachel Carson was born and raised in Springdale.

References

External links

• U.S. Geological Survey: PA stream gaging stations