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Challenge your knowledge of US river borders in this quiz. Test yourself on the rivers that act as borders between states and countries.

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Yes. Most quizzes allow common abbreviations, alternate spellings, and short forms. Try typing just the first few letters — if it matches, it will autofill.

North America

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US River Borders

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Name the rivers which serve as borders in the US, either between two states or a state and Canada or Mexico. Sorted by # of states/countries the river borders. Tidal flows are not included.

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