Mondo Knows Facts
The Four Corners Monument marks where four US states meet at one point
Arizona, Colorado, New Mexico, and Utah intersect at a single geographical point in the Southwest.
It is the only location in the United States where four state boundaries converge at a right-angled intersection. Surveyed in the nineteenth century, the point sits on tribal lands belonging to the Navajo Nation and Ute Mountain Ute Tribe. A granite monument marks the exact intersection for visitors.
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Facts that can change over time are reviewed and updated. If something here looks wrong, Mondo would rather know than be confidently incorrect.
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Tags: four corners, united states, borders, geography
The Four Corners Monument marks where four US states meet at one point: the short answers
- Where does this come from, and can I check it?
- Arizona, Colorado, New Mexico, and Utah intersect at a single geographical point in the Southwest. The figure is taken from USGS, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
- Is this really a world geography fact?
- Yes. It sits on the World Geography shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
- What else can I read about it?
- The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.