Farther down the list of the top 20 deadliest national parks in winter were two more Arizona sites: Saguaro National Park at No. 15 and Glen Canyon National Recreation Area at No. 19.

Managers at Mesa Verde National Park closed the park on Friday as a winter storm dropped snow on southwestern Colorado. NPS Officials with the National Park Service shared a photo on social media ...

According to the findings, Grand Canyon National Park had 5.45 deaths per 10 million visitors — 185% higher than the national average of 2.94 winter deaths per 10 million visitors.

To see the 277-mile canyon, you should visit Grand Canyon National Park in northern Arizona, a protected area that contains most of the canyon and the Colorado River that runs through it.

In preparation for winter, Grand Canyon National Park's North Rim will begin day-use operations Oct. 16. The National Parks Service said the Grand Canyon Lodge will close Oct. 16 and will not ...