The Allegheny River is a 325 mi (523 km) long headwater stream of the Ohio River in western Pennsylvania and New York. The Allegheny River runs from its headwaters just below the middle of Pennsylvania's northern border northwesterly into New York then in a zigzag southwesterly across the border and through Western Pennsylvania to join the Monongahela River at the Forks of the Ohio at Point State Park in Downtown Pittsburgh, Pennsylvania. The Allegheny River is, by volume, the main headstream of both the Ohio and Mississippi Rivers. Historically, the Allegheny was considered to be the upper Ohio River by both Native Americans and European settlers.
The Conemaugh River is a 70-mile (110 km) long tributary of the Kiskiminetas River in Westmoreland, Indiana, and Cambria counties in the U.S. state of Pennsylvania. The name means 'Otter Creek', originating from the Unami-Lenape language word kwənəmuxkw 'otter'.
The Stonycreek River is a tributary of the Conemaugh River, approximately 45 mi (72 km) long, in southwestern Pennsylvania in the United States.
Loyalhanna Creek is a 50-mile (80 km) long tributary of the Kiskiminetas River in Westmoreland County in the U.S. state of Pennsylvania. The stream is a popular destination for canoeing and recreational trout fishing.
The Tioga River is a tributary of the Chemung River, approximately 58 miles (93 km) long, in northern Pennsylvania and western New York in the United States. It drains a region of ridges in the northern Allegheny Plateau in the watershed of the Susquehanna River. It is a Northern flowing river
The Clarion River is a tributary of the Allegheny River, approximately 110 mi (177 km) long, in west central Pennsylvania in the United States. It drains a rugged area of the Allegheny Plateau in the Ohio River watershed, flowing through narrow serpentine valleys and hardwood forests.
French Creek is a tributary of the Allegheny River in northwestern Pennsylvania and western New York in the United States.
Larrys Creek is a 22.9-mile-long (36.9 km) tributary of the West Branch Susquehanna River in Lycoming County in the U.S. state of Pennsylvania. A part of the Chesapeake Bay drainage basin, its watershed drains 89.1 square miles (231 km2) in six townships and a borough. The creek flows south from the dissected Allegheny Plateau to the Ridge-and-valley Appalachians through sandstone, limestone, and shale from the Devonian, Mississippian, and Pennsylvanian periods.
White Deer Hole Creek is a 20.5-mile (33.0 km) tributary of the West Branch Susquehanna River in Clinton, Lycoming and Union counties in the U.S. state of Pennsylvania. A part of the Chesapeake Bay drainage basin, the White Deer Hole Creek watershed drains parts of ten townships. The creek flows east in a valley of the Ridge-and-valley Appalachians, through sandstone, limestone, and shale from the Ordovician, Silurian, and Devonian periods.
Brokenstraw Creek is a 37.1-mile (59.7 km) tributary of the Allegheny River in Warren County, Pennsylvania in the United States.
Pithole Creek is a 17.1-mile (27.5 km) tributary of the Allegheny River in Northwest Pennsylvania in the United States. It has a drainage area of 41.8 square miles (108 km2).
Conewango Creek is a 71-mile-long (114 km) tributary of the Allegheny River in Pennsylvania and western New York in the United States.
Oil Creek is a 46.7-mile (75.2 km) tributary of the Allegheny River in Venango and Crawford counties in the U.S. state of Pennsylvania. It has a drainage area of 319 square miles (830 km2) and joins the Allegheny at Oil City. Attractions along the river include the Drake Well Museum and Oil Creek State Park. The stream was named after the oil that was found along its banks before the historic oil strike by Edwin Drake in Titusville, which Oil Creek flows through. Oil Creek is popular with canoeists and fishers. The creek is rated as a beginners creek for those interested in learning how to safely use canoes and kayaks. Oil Creek is a cold water fishery with bass and trout living in its waters.
Kinzua Creek is a 26.5-mile (42.6 km) tributary of the Allegheny River in McKean County, Pennsylvania in the United States.
Sandy Creek is a tributary of the Allegheny River in Venango, Mercer and Crawford counties in Pennsylvania in the United States.
Muddy Creek is a tributary of Slippery Rock Creek in Butler and Lawrence Counties in Pennsylvania in the United States. The run is 23.2 miles (37.3 km) long, flows generally west, and its watershed is 58.2 square miles (150.7 km2) in area. Muddy Creek is the main water source for Lake Arthur in Moraine State Park.
Plunketts Creek is an approximately 6.2-mile-long (10 km) tributary of Loyalsock Creek in Lycoming and Sullivan counties in the U.S. state of Pennsylvania. Two unincorporated villages and a hamlet are on the creek, and its watershed drains 23.6 square miles (61 km2) in parts of five townships. The creek is a part of the Chesapeake Bay drainage basin via Loyalsock Creek and the West Branch Susquehanna and Susquehanna Rivers.
LeBoeuf Creek is an 18-mile (29 km) long tributary of French Creek in Erie County, Pennsylvania in the United States. It has a drainage basin of 63.6 square miles (165 km2).
Allegheny Creek is an 11.3-mile-long (18.2 km) tributary of the Schuylkill River in Berks County, Pennsylvania in the United States.
