The only developed access to a glacier, this trail begins at Glacier Spit Trailhead and Campsite, meandering through a mature forest of large spruce and cottonwoods. At mile 0.4, it intersects with a short spur trail to Rusty's Campsite. Continuing east and opening to younger forest, the trail intersects with Glacier Lake Trail (mile 1.4). Turn left at this junction. Soon the forest fades into a dry, gravel, glacial outwash plain of low alders and shrubs where occasional cairns or orange markers define the trail. At mile 2.4, the trail crosses the 250-foot Grewingk Creek in a narrow channel of bedrock.