[1] Administratively it belongs to the Northeast Greenland National Park.

The glacier was named by Robert Peary after British newspaper magnate Alfred Harmsworth, who had gifted him expedition ship "Windward" following a lecture on Polar exploration Peary gave at the Royal Geographical Society in 1897.

[2] The A. Harmsworth Glacier is flowing roughly to the NW and has its terminus at the head of the Benedict Fjord.

[4] The peaks of the Roosevelt Range rise on both sides and at the head of the A. Harmsworth Glacier.

To the east some peaks rise to heights above 1,500 m (4,900 ft).