The Puyallup Glacier is a glacier on the west flank of Mount Rainier in Washington. It covers and contains 10.2 billion ft<sup>3</sup> (289 million m<sup>3</sup>) of ice. Sharing the same source of ice as the northern South Mowich Glacier, the Puyallup Glacier begins as a branch off the ice stream that flow out of the Sunset Amphitheater. The glacier gives rise to the Puyallup River.