Waterton-Glacier International Peace Park
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![The park's sign at the Chief Mountain border crossing](/Images/godic/202502/20/MK02244_Waterton_Glacier_International_Peace_Park0133.jpg")
The Waterton-Glacier International Peace Park is the union of the Waterton Lakes National Park in Canada and the Glacier National Park in the United States. Both parks are declared Biosphere Reserves by UNESCO and their union as a World Heritage Site.