Eel Glacier is located to the north of
Mount Anderson in
Olympic National Park in the
U.S. state of
Washington. The northward-facing glacier starts at about in elevation, with an arm extending up to . As the glacier flows north, it descends in elevation to about at its terminus. Meltwater from the glacier gives rise to Silt Creek, which flows through the
Olympic Mountains and
Olympic National Park. Between 1920 and 2009, Eel Glacier has retreated significantly, losing 50 percent of its surface area.