The Mangum Fire was a wildfire burning in Kaibab National Forest in Arizona in the United States. The fire, which started on June 8, 2020 approximately 16 miles north of the North Rim of Grand Canyon National Park, burned a total of 71,450 acres (28,915 ha). The fire threatened the community of Jacob Lake, Arizona, resulting in its evacuation. Select highways were closed, including Highway 67, which resulted in closure of the North Rim of the Grand Canyon. Additionally, areas of the Paria Canyon-Vermilion Cliffs Wilderness were inaccessible due to closures. Four buildings were destroyed, including two historic cabins. The exact cause of the fire remains under investigation, however, fire officials have confirmed it was human caused.