The glacier is located south of Mount Sir Donald in the Selkirk Mountains, west of Rogers Pass in British Columbia. The outflow of the glacier forms the headwaters of the Illecillewaet River. The Illecillewaet névé feeds three other glaciers: the Asulkan, Geikie and Deville. As of 2002, the accumulation area of the glacier is while its ablation area is , for a total size of . Its estimated mean depth is , and its highest point is measured at . The exposed bedrock downslope of the glacier's terminus shows the effects of glacial plucking.