From Breckenridge, drive 8 miles south on Colorado 9. Turn right on the Blue Lakes 850 Road. Drive a short distance and turn right on the McCullough Gulch 851 Road. Drive approx. 1.4 miles to a small parking area on the left where the Breckenridge-Quandary shuttle turns around during summer months. Just beyond the parking area, walk 0.3 miles further down the road and past a gate. Follow signs for the McCullough Gulch trail.