Watrous Run
Watrous Run is a  long first-order tributary to East Branch Tunungwant Creek.  This is the only stream of this name in the United States.

Course
Watrous Run rises about  northwest of Lewis Run, Pennsylvania, and then flows southeast to meet East Branch Tunungwant Creek at Lewis Run.

Watershed
Watrous Run drains  of area, receives about  of precipitation, and is about 91.36% forested.

See also 
 List of rivers of Pennsylvania

References

Rivers of Pennsylvania
Tributaries of the Allegheny River
Rivers of McKean County, Pennsylvania