Nicholson Island is an alluvial island in the Allegheny River in South Buffalo Township, Armstrong County in the U.S. state of Pennsylvania. The island is situated across from Bethel Township.
Map of Nicholson Island, South Buffalo Township, PA, USA
The elevation of Nicholson Island is 768 feet above sea level.
References
Nicholson Island (Pennsylvania) Wikipedia(Text) CC BY-SA