White Glacier is located on the north slopes of Mount Tom in the Olympic Mountains and Olympic National Park in the U.S. state of Washington. The main portion of the glacier heads at around in a cirque just under the summit rocks, while the westernmost section of White Glacier is partially separated from the rest of the glacier by several small ridges of rock and flows straight north. The principle portion of the glacier flows north as well, with a glacier toe descending to around where the toe turns northeast to its terminus at . Steep ridges of rock separate an eastern portion of the White Glacier from the Blue Glacier cirque on adjacent Mount Olympus, to the east.