Four major rivers traverse Allegheny County: the Allegheny River and the Monongahela River converge at Downtown Pittsburgh to form the Ohio River. The Youghiogheny River flows into the Monongahela River at McKeesport, 10 miles (16 km) to the southeast.

Allegheny, county, southwestern Pennsylvania, U.S., consisting of a hilly region on the Allegheny Plateau bounded to the southeast by the Monongahela and Youghiogheny rivers and to the northeast by the Allegheny River.

Explore a detailed Map of Allegheny County, Pennsylvania showing major cities, key highways, and notable landmarks. Discover where is Allegheny County Located, learn about its largest cities, population, land area, and get travel information all in one place at Whereig.com.

The best things to see and do in Allegheny County, Pennsylvania. Includes Pittsburgh and surrounding areas in the county.

Pennsylvania's primary election will take place on May 19. Here's everything Allegheny County voters need to know for Election Day.

As Pennsylvania’s primary election approaches on Tuesday, LGBTQ voters across Allegheny County are entering this election season amid escalating attacks on trans rights, bodily autonomy, public ...

WPXI: ‘Allegheny Forward’ comprehensive plan to guide growth in Allegheny County for next 25 years

ALLEGHENY COUNTY, Pa. — The newly announced “Allegheny Forward” comprehensive plan will guide growth in Allegheny County for the next 25 years, officials say. The plan aims to provide a framework for ...

‘Allegheny Forward’ comprehensive plan to guide growth in Allegheny County for next 25 years