[1] Its upper reaches are approximately 3 vertical miles below the summit of Denali.
From the top of the cliffs to the bottom of the glacier is a height exceeding that of the Grand Canyon.
According to the National Park Service (NPS), several air taxi operators are authorized to land aircraft on Ruth Glacier in Denali National Park.
[3] In 1903, the glacier was explored by physician and ethnographer Frederick Cook, who named it after his youngest daughter.
[4][5] A 2024 open licence research project estimated the Grand Gorge to be the deepest in north America at 8,085 feet (2,464 m).