Tunungwant Creek is a long fifth-order tributary to the Allegheny River. This is the only stream of this name in the United States. According to a 1792 Reading Howell map of Pennsylvania, the stream was known as Ischunuangwandt. Today, it is locally known as 'The Tuna'.
Tunungwant Creek forms at the confluence of East and West Branch Tunungwant Creek in McKean County, Pennsylvania in Bradford and then flows north to meet the Allegheny River about southeast of Salamanca, New York.
Tunungwant Creek drains of area, receives about and is about 83.58% forested.