SALT LAKE CITY (ABC4) — A recent study looked at deaths in America's national parks and monuments with canyons or canyonland, and it found that Dinosaur National Monument is one of the deadliest canyon parks in the country.

The study by Antelope Canyon chose national parks and monuments considered to be canyons or canyonland from a National Parks Service (NPS) list. It then used NPS data about park visitations and deaths over the past ten years (2014-2024). The deadliest parks were decided based on the number of deaths per million visitors, so some parks may be considered deadlier than others even though a smaller total number of people died there.

Dinosaur National Monument had nine fatalities over the past ten years, for 2.42 fatalities per million visitors. Six of those deaths were ca

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