San Juan River Watershed Boundaries Map

Waterways across the Four Corners region flow through the lands of the Ute Mountain Ute Tribe, Southern Ute Indian Tribe, Jicarilla Apache Nation, and Navajo Nation before pouring into the San Juan River.

Map of watersheds influencing the San Juan River

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Maps and graphs may be used for non-commercial purposes provided that they are not altered or edited and they are appropriately credited.

This map product should be credited to David Vines, Grand Canyon Trust. A hyperlink to the Grand Canyon Trust website is appreciated.

For higher quality images or custom sizing please contact our communications director, Ashley Davidson, at adavidson@grandcanyontrust.org

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Rising arsenic levels in monitoring wells at Pinyon Plain uranium mine raise concerns about possible contamination of groundwater in the Grand Canyon region.