From the Deer Creek Trailhead, the Tanglewood Trail (#636) and Rosalie Trail (#603) go west and north up the Tanglewood Creek drainage to a junction just outside the Wilderness boundary. Here the two trails split and the Rosalie Trail bears left up an old logging road, while the Tanglewood Trail continues north along Tanglewood Creek. The latter route climbs along Tanglewood Creek, and then begins to ascend toward the saddle above. The trail becomes more steep and strenuous, particularly after leaving the trees. The top of the saddle marks the boundary between Pike and Arapaho national forests.