Big Run is a small tributary of Slippery Rock Creek in western Pennsylvania. The stream rises in northwestern Butler County and flows northwest entering Slippery Rock Creek just east of Crolls Mills, Pennsylvania. The watershed is roughly 26% agricultural, 65% forested and the rest is other uses.[4]

Big Run Tributary to Slippery Rock Creek
Location of Big Run mouth Show map of Pennsylvania Big Run (Slippery Rock Creek tributary) (the United States) Show map of the United States
Location
Country	United States of America
State	Pennsylvania
County	Butler
Township	Brady
Physical characteristics
Source	divide between Big Run and Muddy Creek
• location	about 0.25 miles south of Elora, Pennsylvania
• coordinates	40°59′14″N 79°59′20″W[1]
• elevation	1,370 ft (420 m)[2]
Mouth	Slippery Rock Creek
• location	about 0.25 miles east of Crolls Mills, Pennsylvania
• coordinates	41°01′14″N 80°02′07″W[1]
• elevation	1,130 ft (340 m)[2]
Length	4.52 mi (7.27 km)[3]
Basin size	7.14 square miles (18.5 km2)[4]
Discharge
• average	10.36 cu ft/s (0.293 m3/s) at mouth with Slippery Rock Creek[4]
Basin features
Progression	Slippery Rock Creek → Connoquenessing Creek → Beaver River → Ohio River → Mississippi River → Gulf of Mexico
River system	Beaver River
Tributaries
• left	unnamed tributaries
• right	unnamed tributaries
Bridges	William Flynn Highway (PA 8) (x2), Duffy Road, McBride Road

See also

• List of rivers of Pennsylvania

References

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