George S. Mickelson Trail Custer Loop
George S. Mickelson Trail Custer Loop
3.2
(25)
66
riders
03:05
40.4km
580m
Cycling
Embark on the George S. Mickelson Trail Custer Loop for a challenging touring bicycle experience through the scenic Black Hills National Forest. This difficult route spans 25.1 miles (40.4 km) and involves a significant elevation gain of 1890 feet (576 metres), typically taking about 3 hours and 5 minutes to…
Last updated: April 23, 2026
Tips
Your route passes through protected areas
Please check local regulations for:
Black Hills National Forest
Waypoints
Start point
Parking
Get Directions
81 m
Highlight • Settlement
Translated by Google •
Tip by
3.07 km
Highlight • Rest Area
Translated by Google •
Tip by
40.4 km
End point
Parking
Way Types & Surfaces
Way Types
18.4 km
17.3 km
3.51 km
901 m
169 m
< 100 m
Surfaces
11.5 km
11.2 km
10.1 km
7.31 km
300 m
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Elevation
Highest point (1,910 m)
Lowest point (1,590 m)
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Weather
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Today
Sunday 17 May
12°C
3°C
19 %
Additional weather tips
Max wind speed: 12.0 km/h
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This route was planned by komoot.
You can find easily accessible trailheads with parking along the route, including one directly in Custer. These trailheads typically offer amenities like vault toilets and self-sale trail pass stations.
Yes, a trail pass is required for all users aged 12 and older. These passes can be purchased at self-sale stations located at the trailheads or online through the South Dakota Game, Fish and Parks website. While the trail passes through the Black Hills National Forest, there are no separate entrance fees for the forest itself to access the trail.
The trail is generally considered accessible for people of most ages and abilities, with gentle slopes that rarely exceed a 4% grade. While some sections can be long, they are not excessively steep. For an easier experience, especially on longer climbs, an e-bike can be a good option.
The Black Hills region offers beautiful scenery throughout the warmer months. Spring and fall provide pleasant temperatures and vibrant foliage, while summer is also popular. In winter, the trail is open for cross-country skiing and snowshoeing, but cycling conditions would be challenging.
The trail primarily features a well-maintained crushed limestone and gravel surface. While mostly hard-packed, you might encounter some softer spots. The section near Custer also includes a three-mile paved link connecting to Custer State Park, though this paved part may show minor cracking.
This loop takes you through the heart of the Black Hills, offering spectacular views of mountainous and forested landscapes, ponderosa pines, rugged canyons, and fertile valleys. You'll pass through the town of Custer and can spot wildlife like deer, elk, and wild turkeys. The trail also passes north of the iconic Crazy Horse Monument.
Yes, the route primarily follows the George S. Mickelson Trail for a significant portion. It also includes sections of the Sunday Gulch Trail and a small part of Echo Valley Road.
While the trail is generally welcoming, specific regulations for dogs, such as leash requirements, are typically in place. It's always best to check the official South Dakota Game, Fish and Parks website for the most current rules regarding pets on the Mickelson Trail.
As you cycle through the Black Hills, keep an eye out for diverse wildlife. Common sightings include deer, elk, coyotes, and wild turkeys. The changing scenery from dense forests to open prairies also provides varied habitats for different species.
Yes, the trail is well-equipped with amenities. Many of the 15 trailheads, including the one in Custer, offer parking, self-sale trail pass stations, vault toilets, and tables. You'll also find the Fort Welikit Campground nearby.
This loop is approximately 40.4 kilometers (25.1 miles) long and typically takes around 3 hours to complete by touring bicycle, depending on your pace and stops.