4.0
(2)
76
riders
7
rides
Gravel biking in Custer County features diverse landscapes, including granite peaks, rolling plains, and pine forests, primarily within the Black Hills National Forest and Custer State Park. The region is characterized by its well-developed trail systems, notably the George S. Mickelson Trail, which provides a smooth, crushed limestone and gravel surface. These varied terrains offer a range of experiences for gravel cyclists.
Last updated: April 30, 2026
4.0
(1)
19
riders
41.4km
02:21
380m
380m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(1)
14
riders
52.7km
03:08
670m
670m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Sign up for free
7
riders
127km
07:51
1,640m
1,640m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
46.4km
02:49
630m
630m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
67.8km
04:48
630m
630m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
riders
12.9km
00:42
110m
110m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
5
riders
89.4km
05:06
870m
870m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
58.7km
04:28
490m
490m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
49.8km
03:29
440m
440m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
riders
75.9km
05:34
1,040m
1,040m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Start today with a free account
Your next adventure awaits.
Login or Signup
Popular around Custer County
Gravel biking in Custer State Park

Gravel biking around Custer
George S. Mickelson Trail — rail to trail through Black Hills gold country
In the heart of the Black Hills in South Dakota – Centennial Trail
From the mountain peaks to the prairie – Rocky Mountains and Great Plains
Paha Sapa in South Dakota and Wyoming — the Black Hills loop
Hiking in Custer County
Cycling in Custer County
Running Trails in Custer County
Road Cycling Routes in Custer County
A nice centre with all kinds of beautiful painted buffalos.
3
0
Major Lake Park is a quiet lakeside spot in Hill City, perfect for a picnic, a wildlife break, or a quick detour off the Mickelson Trail. Look out for geese, deer, and the local osprey.
0
0
Pringle is a small town in the southern Black Hills, surrounded by rolling hills and dense forests. It’s a great spot for outdoor activities, with wildlife like deer, elk, and wild turkeys in the area. After hiking, you can grab a meal or a drink at Hitchrail Bar & Restaurant, a local spot for food and drinks. It’s a quiet, no-frills place to relax and enjoy the serene surroundings.
0
0
Custer State Park, located in the Black Hills, offers diverse landscapes, from dense forests to open prairies and towering granite peaks. During a visit, you can expect breathtaking views, including sweeping views of the Black Hills and jagged rock formations. The park is teeming with wildlife, including bison, deer, elk, and bighorn sheep, which roam freely across the park. You can spot golden eagles and red-tailed hawks. In the spring and summer, wildflowers bloom in the meadows, adding color to the already stunning surroundings.
0
0
The Crazy Horse Memorial is one of the most iconic landmarks in the Black Hills. Still under construction, it’s set to be the world’s largest mountain carving and honors the Lakota leader Crazy Horse. Even in its unfinished state, it’s an impressive sight and carries a powerful story about Native history and resistance. You can see the sculpture from the road, but the visitor center offers a closer view, along with exhibits on Native American culture and the carving process.
0
0
As you head further south towards Custer, it feels like you're far from civilization. Buckthorn Mountain comes into view, surrounded by wide stretches of open greenery.
0
0
Custer is in the heart of the Black Hills. On this commune, you will find a few kilometers to the north - by taking the Crazy Horse Memorial Highway - "The Thunderhead Mountain" where the monument to the memory of Crazy Horse is located. In response to the gigantic statues of the 4 faces of the American presidents: George Washington, Thomas Jefferson, Theodore Roosevelt and Abraham Lincoln on Mount Rushmore, an Austrian-born sculptor wanted to pay tribute to the famous Lakota warrior Tashunka Witko - Crazy Horse. 985077174705 He sculpts an entire mountain trying to represent the historical figure riding his horse. It has been more than 30 years that only the head has been carved. Suffice to say that this work will certainly never be finished. The site, by its gigantism is impressive. It is an incongruous visit to make.
1
0
Hill City, South Dakota, has a rich history and plenty of outdoor activities. Founded during the Black Hills gold rush, the town is known as "The Heart of the Hills." You can take a ride on the 1880s-era train for a scenic trip through the area. Hill City is also close to Custer State Park and the George S. Mickelson Trail for hiking, biking, and wildlife watching. The Black Hills Institute of Geological Research has fossil exhibits, including the famous T. rex, Sue. With local wineries and easy access to Mount Rushmore and Crazy Horse Memorial, Hill City offers an exciting mix of history, nature, and culture.
0
0
On komoot, you can find 7 gravel bike routes in Custer County. These routes offer a variety of experiences, from moderate to difficult, traversing the diverse landscapes of the Black Hills.
The prime season for gravel biking in Custer County typically runs from spring through fall. During these months, the weather is generally favorable, and trails like the George S. Mickelson Trail are fully accessible. While some roads, such as the Needles Highway, close to motor vehicles in winter, they can offer unique opportunities for biking when conditions allow.
Yes, Custer County offers several moderate gravel bike trails. For example, the Hill City loop from Hill City is a 25.7-mile route with a moderate difficulty, offering a good balance of challenge and scenic beauty. Another option is the Custer State Park – Pringle loop from Custer, which is 25.5 miles long and also rated as moderate.
For experienced gravel bikers seeking a challenge, Custer County has several difficult routes. The Sylvan Lake – Sylvan Lake loop from Custer is a difficult 31.9-mile path exploring the area around Sylvan Lake. Another demanding option is the George S. Mickelson Trail – Custer loop from Hill City, which spans 55.1 miles and features significant elevation gain.
Custer County's gravel bike trails feature diverse terrain. You'll encounter smooth, crushed limestone and gravel surfaces, particularly on sections of the George S. Mickelson Trail. Other routes may include quiet roads through the Black Hills, varied terrain around lakes like Sylvan Lake, and paths through pine forests and granite peaks within Custer State Park.
The George S. Mickelson Trail is an excellent choice for families. Its smooth, crushed limestone surface, gentle grades (max 4%), and car-free environment make it ideal for a relaxed yet scenic ride. You can find various segments of this trail that are suitable for different family abilities.
Many gravel routes in Custer County offer access to stunning natural attractions. You can explore areas around Sylvan Lake, known for its towering granite pinnacles. The region is also home to the Black Hills National Forest and Custer State Park, where you might spot wildlife. Nearby, you can visit unique geological formations like the Needles Highway and the iconic Needle's Eye.
Yes, Custer County offers several loop routes. For instance, the George S. Mickelson Trail loop from Custer is a 30.9-mile loop. Another popular option is the Sylvan Lake – Sylvan Lake loop from Custer, a challenging 31.9-mile circuit.
Many trailheads for the George S. Mickelson Trail and other routes in Custer County offer designated parking areas. Specific parking information is usually available on individual route pages or local tourism websites. For general information on biking in the area, you might find resources on Visit Custer's biking section.
The area is highly rated by the komoot community, with an average score of 4.0 stars. Reviewers often praise the diverse landscapes, from granite peaks to pine forests, and the well-maintained crushed limestone surfaces, especially on the George S. Mickelson Trail, which offers a unique and enjoyable riding experience.
Yes, Custer County is close to significant cave systems. You can visit Jewel Cave National Monument Visitor Center and Wind Cave National Park, both offering unique underground exploration opportunities with stunning crystal formations and intricate calcite structures.
Custer County offers various accommodation options, including hotels, cabins, and campgrounds, particularly in and around the town of Custer and within Custer State Park. Many of these are conveniently located near trail access points, making it easy to start your gravel biking adventures.


Check out more Gravel rides throughout Custer County below and find the perfect route in your destination.
Browse the best Gravel rides in other regions.