Geologic and Geographic Features
- Allegheny River, in Pennsylvania and New York
- Allegheny Mountains, part of the Appalachian Mountain Range in West Virginia, Pennsylvania, Maryland and Virginia (see List of mountains of the Alleghenies)
- Allegheny Mountain (Pennsylvania), major mountain ridge in the northern part of the Allegheny Mountains
- Little Allegheny Mountain, in Pennsylvania and Maryland
- Allegheny Mountain (West Virginia – Virginia), major mountain ridge in the southern part of the Allegheny Mountains
- Back Allegheny Mountain, in West Virginia
- Allegheny Plateau, which terminates in the east at the Allegheny Mountains
- Allegheny Front, the escarpment delineating the eastern edge of the Allegheny Plateau and Mountains, separating them from the lower Ridge and Valley Appalachians
- Allegheny Formation, a mapped bedrock unit of West Virginia, Maryland and Pennsylvania
Read more about this topic: Allegheny
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