Black Hills National Forest · South Dakota · Trail 89-MY

Centennial on Mystic

Centennial on Mystic Trail is a 31.9 miles trail in Black Hills National Forest, South Dakota. The Forest Service rates it trail class 3, developed. It is open to hiking, horse and pack stock and mountain biking.

Trail conditions, closures and hazards are not tracked here. The Black Hills National Forest official page carries current alerts and closure orders.

Map

One end Other endLine simplified to about 100 metres. Basemap from the USGS National Map.

One end44.0990, -103.5309 · Directions ↗
Other end43.9243, -103.4915 · Directions ↗

The ends are the two ends of the longest connected chain of segments. The record does not say which is the usual start.

The trail

Length31.9 miles
Trail class3, developed
Typeland trail
Surfacenative material
Typical grade12-20 percent
Typical tread width24-36 inches
Motor vehiclesClosed to all motorized use year-round
AccessibilityEvaluated and does not meet accessibility guidelines
Trail numbers89-MY
ForestBlack Hills National Forest (unit 0203)
StatesSouth Dakota
Detail publishedmanagement level, with uses

Values are the set across all segments. Class 1 is minimally developed and class 5 is fully developed. Grade and width are the forest's typical values, not measured extremes.

Allowed uses

HikingAllowed year-round
Horse and pack stockAllowed year-round
Mountain bikingAllowed year-round

A use is listed when the Forest Service records it as managed, accepted or discouraged on any segment. Discouraged still means legal. Uses marked restricted are left out. Where the forest publishes a Motor Vehicle Use Map, that map governs motorized use.

Trailheads

No season published · listed none
0 mi
No season published · listed none
0 mi
No season published · listed none
0 mi
No season published · listed none
0 mi
No season published · listed none
0 mi
Open January · listed none
0 mi
Open January · listed none
0.1 mi
No season published · listed none
0.1 mi

Distance is from the point to the nearest part of the trail line. Season text is what the forest wrote and is often a season name rather than a date. The recreation page link goes to the Forest Service site, which may redirect to the forest's recreation index.

Camping nearby

Campsite Atlas cards carry site counts and booking links from Recreation.gov. Forest Service cards come from the recreation layer and link the agency page.

Explore

Reference

Questions people ask

How long is the Centennial on Mystic Trail?

31.9 miles, the sum of the 1 segment the Forest Service records under this name in Black Hills National Forest.

Source: Forest Service trail layer

What is allowed on the Centennial on Mystic Trail?

hiking, horse and pack stock and mountain biking. The trail is closed to motor vehicles year-round.

Source: Forest Service trail layer

Where does the Centennial on Mystic Trail start?

The line begins at 44.0990, -103.5309 and ends at 43.9243, -103.4915. The nearest recorded trailhead is Samelius Trailhead, 0 miles from the line. The record does not say which end is the usual start.

Source: Forest Service trail layer

Is the Centennial on Mystic Trail in a wilderness area?

No. The trail line does not cross any polygon in the National Wilderness Preservation System layer.

Source: Wilderness Connect

Where can I camp near the Centennial on Mystic Trail?

Sheridan North Cove Grp Cg (0.1 mi), Sheridan Lake (0.5 mi) and Horsethief Lake Campground (0.6 mi) are within five miles of the trail. Site counts and booking links are on Campsite Atlas.

Source: Campsite Atlas

How developed is the Centennial on Mystic Trail?

Trail class 3, which the Forest Service describes as developed. Class 1 is a minimal, unimproved route and class 5 is fully developed, often paved.

Source: Forest Service trail layer

How steep and how wide is the Centennial on Mystic Trail?

The typical grade is 12-20 percent. The typical tread is 24-36 inches wide.

Source: Forest Service trail layer

Is the Centennial on Mystic Trail accessible?

No. The Forest Service evaluated it and found it does not meet its accessibility guidelines.

Source: Forest Service trail layer

Who manages the Centennial on Mystic Trail?

Black Hills National Forest, Forest Service unit 0203. The trail is in South Dakota.

Source: Black Hills National Forest official page

Source

This page is built from 1 segment named CENTENNIAL ON MYSTIC in the Forest Service TrailNFS_Publish layer, administrative unit 0203. Wilderness overlap is tested against the National Wilderness Preservation System layer from Wilderness Connect. Trailheads and Forest Service campgrounds come from the Forest Service Recreation Opportunities layer. Data refreshed September 17, 2026. The methodology page explains how segments become trails.