Old Baldy trail offers great hiking, biking, and cross-country skiing.
| Difficulty | Moderate |
| Length | 5.7-mile loop trail with a 0.7-mile spur trail to summit |
| Elevation | 5,800 to 6,096 feet |
| Directions | From Spearfish, take FSR 134 for approximately 13 miles to the trailhead. |
Old Baldy Trail Loop meanders through stands of quaking aspen, paper birch, and ponderosa pine. From the loop, the spur trail continues up to the summit of Old Baldy Mountain. The view from the top of Old Baldy Mountain includes Crow Peak to the north, Ragged Top and Terry Peak to the east and Cement Ridge Lookout to the west.
Wild turkey, white tail deer, elk, ,and a variety of non-game bird species are commonly sighted along this trail.
