Flaugherty Run

Flaugherty Run is a tributary of the Ohio River in Allegheny County, Pennsylvania, in the United States. It is approximately 4.3 mi long and flows through Moon Township, Allegheny County, Pennsylvania and Crescent, Pennsylvania. The watershed of the stream has an area of 8.86 sqmi.

Course
Flaugherty Run begins in Moon Township, generally following Flaugherty Run Rd. and then McGovern Blvd. It flows northeast and reaches its confluence with the Ohio River at the Glenwillard Boat Club in Glenwillard.

Tributaries
Flaugherty Run has several named tributaries. In order from source to mouth, they are Becks Run, Boggs Run, and Spring Run It also has several unnamed tributaries.

Geography and geology
The elevation near the mouth of Flaugherty Run is 682 ft above sea level. The elevation of the stream's source is about 1075 ft above sea level.

Watershed
The watershed of Flaugherty Run has an area of 8.86 sqmi.

History
At one point, Flaugherty Run crosses Brodhead Road, a road originally created by and subsequently named after General Daniel Brodhead when travelling between Fort Pitt (Pennsylvania) and Fort McIntosh (Pennsylvania) during the American Revolutionary War. During the war, a soldier that stood post at the stream for several weeks died. The soldier's name was Flaugherty, and the stream was thusly named. Flaugherty Run was entered into the Geographic Names Information System on August 2, 1979. Its identifier in the Geographic Names Information System is 1188258.