Tags: Glacier.
Borealis Glacier is in North Cascades National Park in the U.S. state of Washington and is on the north slopes of Primus Peak. Borealis Glacier flows generally northeast for a distance of approximately .70 mi (1.13 km). Borealis Glacier descends from nearly 7200 to 6000 ft (2200 to 1800 m) but is split into an upper and lower sections. The upper section is as much as .90 mi (1.45 km) wide but ends abruptly in an icefall along some cliffs.