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Grand Canyon National Park ranked the deadliest

Grand Canyon National Park has the highest number of missing person reports and deaths among all the national parks in the United States, according to records obtained through a Freedom of Information Act request. Despite being smaller and receiving fewer visitors compared to many other national park sites, Grand Canyon topped the charts in missing person reports, deaths, and suicides from 2018 to early 2023.

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Additional data revealed that other national parks also experienced fatalities. Lake Mead, spanning Arizona and Nevada, saw at least five deaths, while Yosemite, Death Valley, and Golden Gate National Parks reported at least four deaths each. Olympic National Park in Washington had the second-highest number of missing person reports since 2018, followed by Rocky Mountain National Park in Colorado.