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Hiking trails & Routes
Custer County

Sunday Gulch Trail

Moderate

4.8

(13)

147

hikers

Sunday Gulch Trail

02:00

6.72km

210m

Hiking

Embark on the Sunday Gulch Trail, a moderate 4.2 miles (6.7 km) hiking route that takes you through a unique landscape in Custer State Park. You will gain 678 feet (207 metres) in elevation over approximately two hours, winding through towering granite formations and lush ponderosa pines. As you descend into the gulch, you will discover beautiful streams and small waterfalls, creating a distinct atmosphere.

When planning your visit, be aware that the trail features technical sections with rock scrambling and metal handrails. These parts can be slippery, especially if wet or if ice lingers into late spring. You should also expect to encounter wet feet, as the route frequently crosses streams and small waterfalls. Allow yourself ample time to complete this hike, particularly if you are not accustomed to technical terrain.

This loop offers an immersive experience, showcasing incredible rock formations and expansive views of the Black Hills, particularly around Sylvan Lake. The trail's unique character comes from its hands-on sections, where you will navigate through impressive rock walls. It stands out for its blend of scenic beauty and challenging, engaging terrain.

Last updated: April 23, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Custer State Park

Black Hills National Forest

Waypoints

A

Start point

Parking

Get Directions

1

434 m

Sylvan Lake

Highlight • Lake

Lake Sylvan is a pretty reservoir that attracts a lot of people in summer, as its shores made up of granite chaos are so photogenic. You can practice swimming, but also do some rock climbing on these large rocks that overlook the calm water. You can also picnic (there are tables) but also indulge in idleness on its beaches. A perfect place to rest, especially after a long hike or bike ride.

Translated by Google •

Tip by

2

1.10 km

Sunday Gulch Trailhead

Highlight • Trail

Sunday Gulch Trailhead marks the transition from Sylvan Lake Trail to Sunday Gulch Trail. From here you can choose in which direction you want to hike, as the trail is a loop.

Tip by

3

1.91 km

Sunday Gulch Trail

Highlight (Segment) • Trail

Custer State Park rates Sunday Gulch Trail as a strenuous trail, and for good reason. Even though the hike is only about 3 miles long, it's the terrain that makes it demanding and fun at the same time. At some point you have to walk about boulders and, in early summer it's possible, that you have to walk small parts through the water. But once you are down in the gulch, all the above doesn't matter anymore and you will be fascinated by the granite walls and all the little stream crossings.

Tip by

4

6.11 km

Sylvan Lake Dam

Highlight • Monument

Sylvan Lake Dam is located on the northwestern side of the lake and is about 30 feet high. There is a little walkway on top of the dam from where you are very close to the water and have a nice view over the lake.

Tip by

B

6.72 km

End point

Parking

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Way Types & Surfaces

Way Types

6.23 km

481 m

< 100 m

Surfaces

6.16 km

235 m

208 m

103 m

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (1,910 m)

Lowest point (1,720 m)

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Weather

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Today

Tuesday 2 June

23°C

8°C

85 %

Additional weather tips

Max wind speed: 18.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Where does the Sunday Gulch Trail start and where can I park?

The trail officially starts at the Sunday Gulch Trailhead, which is located near Sylvan Lake in Custer State Park. Parking is available at the Sylvan Lake parking area.

What is the terrain like on this trail, and how difficult is it?

This trail is rated as moderate to strenuous due to its challenging and varied terrain. You'll encounter significant elevation changes, steep boulders, and rock formations. The route involves considerable rock scrambling, especially in the gulch sections, and you'll use metal handrails embedded in the rocks to navigate some descents or ascents. Beyond the gulch, it transitions to a dirt-packed path with tree roots and rocks. Be prepared for wet feet, as it frequently crosses streams and small waterfalls.

Does the Sunday Gulch Trail involve any technical sections or scrambling?

Yes, the Sunday Gulch Trail is renowned for its 'hands-on' nature. It features several technical sections requiring rock scrambling, particularly within the gulch itself. Metal handrails are installed in certain areas to assist with navigating steep, slippery rock faces, making it a unique and adventurous experience.

Is the Sunday Gulch Trail a loop?

Yes, the Sunday Gulch Trail is a loop. The full loop is approximately 6.7 kilometers (4.2 miles) long, offering a continuous journey through its diverse landscapes.

How long does it typically take to hike the Sunday Gulch Trail?

While official estimates might be shorter, many hikers recommend allowing ample time due to the trail's strenuous and technical nature. It can take around 4 hours to complete the loop, even though the distance is roughly 6.7 kilometers (4.2 miles).

What kind of scenery and natural features can I expect to see?

You'll be immersed in stunning natural beauty, surrounded by towering granite formations, ponderosa pines, and lush ferns. The trail offers incredible rock formations and expansive views of the Black Hills. As you descend into the gulch, you'll find beautiful streams, small waterfalls, and rock walls. The area around Sylvan Lake is particularly picturesque, with large rocks jutting out of the water.

What is the best time of year to hike the Sunday Gulch Trail?

The trail is best hiked from late spring through early fall. Spring and early summer can mean more water in the gulch and potentially slippery conditions. Autumn offers particularly gorgeous colors. Always check current weather conditions, as ice can persist into late spring, making the technical sections more challenging.

Are there any permits or entrance fees required for the Sunday Gulch Trail?

Yes, the Sunday Gulch Trail is located within Custer State Park, which requires an entrance license. You will need to purchase a park entrance permit to access the trailhead and other areas within the park.

Is the Sunday Gulch Trail dog-friendly?

Dogs are generally allowed on trails in Custer State Park, including the Sunday Gulch Trail, but they must be kept on a leash at all times. Be aware that the technical sections with rock scrambling and handrails can be very challenging for dogs, especially larger breeds or those not accustomed to such terrain.

Should I expect wet conditions or stream crossings on the trail?

Yes, you should definitely be prepared for wet conditions. The trail frequently crosses streams and small waterfalls, and the boulder areas within the gulch can be full of water, particularly in spring or early summer. Waterproof footwear is highly recommended.

Is there a recommended direction to hike the loop?

Many hikers suggest starting the loop counter-clockwise if you prefer to descend the most challenging, handrail-assisted sections. Hiking clockwise means you would be ascending these strenuous sections. Consider your comfort level with steep descents versus ascents when choosing your direction.

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5.0

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Trail Reviews

Birko 🚵
August 5, 2024, Sylvan Lake & Sunday Gulch Trails Schleife — Custer State Park05.08.2024

A very nice round today. But I can't agree with the description of easy paths. It was a challenging round. And 32 degrees Celsius doesn't make it any easier.

Translated by Google
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