Alaska, within the USA, borders on the Yukon Territory, in Canada.
Yukon River
The Yukon River.
The Yukon River crosses the Canada-US border, but does not form part of it.
Yukon river
Alaska
Alaska
Augusta, Maine.
Montana
The mouth of the Mississippi River is located in the US state of Louisiana. It is just south of New Orleans.
AlaskaAlaska, the 49th state.
The Missouri River and the Mississippi River are the two longest rivers that are completely within the US. The Yukon River is the longest river but originates in Canada.