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© 2026 Roaming.Camp · Data from NPS, Recreation.gov, BLM, USFS, NWS, and the FCC.Operating on ceded ancestral land.Photography via Unsplash.

Leave it better than you found it.

Civilian Conservation Corp Camp F-10 Pennington Co SD Two officers' cabins, hospital and fireplace ruins

Hike

Flume Boulder Hill Summit

Summits Boulder Hill
Inside Black Hills National Forest
1,566 ft of climbing

7.4 mi out & back · 1,566 ft gain · 5,337 ft high point · Hard

Via Flume (2.8 mi)

In Black Hills National Forest · SD · U.S. Forest Service

About Elevation Highlights Map Camp near here More hikes

About this hike

Boulder Hill is summited on a 7.3 mi out and back route via Flume in Black Hills National Forest with 1,566 ft of climb.

Elevation

1,566 ft of gain round trip.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

5.4 mi from the trailhead
Sheridan Lake
Campground

More hikes nearby

Ranked the same way, within twenty-five miles.

3 mi from you
Flume
- Ends at Sheridan Lake
- Inside Black Hills National Forest
- 3,229 ft of climbing
19.6 mi out & back · 3,229 ft gain · Very hard
Black Hills National Forest · Camp 5 mi away

Out: 1,110 ft up, returns the same way. Source: USGS 3DEP.

Highlights

What the trail reaches, measured from the start.

Boulder HillDestination · 3.7 mi in
Boulder HillDestination · 3.7 mi in
Air Force VistaAlong the way · 2.1 mi in
Storm HillNearby · 2.6 mi in

Map

The hike from its start, the approach dashed. Drag with two fingers, or hold a key to zoom.

Trail data: USFS, NPS, © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP via Mapzen terrain tiles. Nearby reading: Wikipedia. Photos: Wikimedia Commons contributors, licensed as shown on each photo. Download the trail and feature data.

At a glance

Length: 7.4 mi
Shape: Out & back
Gain: 1,566 ft round trip
High point: 5,337 ft
Low point: 4,440 ft
Difficulty: HardFrom 7.4 mi and 1,566 ft of climbing
Managed by: U.S. Forest Service
State: SD
Camps within 15 mi: 10
Trailhead: 43.9551° N · 103.3687° W

Get directions Open the map

5.5 mi from the trailhead

Sheridan North Cove GRP CG

Campground

5.9 mi from the trailhead

Grizzly Bear Campground

Campground

10 mi from you

Centennial Trail

Passes Bear Butte
Inside Wind Cave National Park
20,627 ft of climbing

120.2 mi one way · 20,627 ft gain · Very hard

Wind Cave National Park · Camp 1 mi away

Harney # 9 North

Passes Black Elk Peak
Inside Black Hills National Forest
3,190 ft of climbing

13.3 mi loop · 3,182 ft gain · Very hard

Black Hills National Forest · Camp 2 mi away

Horsethief #14

Ends at Horse Thief Lake
Inside Black Hills National Forest
2,337 ft of climbing

14.4 mi out & back · 2,337 ft gain · Very hard

Black Hills National Forest · Camp 2 mi away

Harney # 9 South

Summits Black Elk Peak
Camp 3 mi away

3.4 mi out & back · 981 ft gain · Moderate

SD · Camp 3 mi away

Centennial Horse Bypass

Ends at Sheridan Lake
Inside Black Hills National Forest
3,366 ft of climbing

21.6 mi loop · 3,353 ft gain · Very hard

Black Hills National Forest · Camp 5 mi away

More like this

Hikes that read like this one, wherever they are.

Flume Loop B
- Passes Air Force Vista
- Inside Black Hills National Forest
- 1,840 ft of climbing
10.8 mi loop · 1,840 ft gain · Hard
Black Hills National Forest · Camp 5 mi away
Flume
- Ends at Sheridan Lake
- Inside Black Hills National Forest
- 3,229 ft of climbing
19.6 mi out & back · 3,229 ft gain · Very hard
Black Hills National Forest · Camp 5 mi away
Flume Loop a
- Ends at Sheridan Lake
- Inside Black Hills National Forest
- 3,125 ft of climbing
20.1 mi loop · 3,125 ft gain · Very hard
Black Hills National Forest · Camp 5 mi away
Big Hill Loop B
- Inside Black Hills National Forest
- 2,412 ft of climbing
17.4 mi loop · 2,412 ft gain · Very hard
Black Hills National Forest

Weather

7-day forecast

Today58°46°Patchy Fog
Mon48°36°Light Rain
Tue50°34°Mostly Sunny
Wed52°34°Mostly Sunny
Thu53°35°Mostly Sunny
Fri55°37°Mostly Sunny
Sat50°36°Slight Chance Rain And Snow

Today: Patchy Fog · wind 8 mph SE

National Weather Service · refreshed hourly

Signal

Cell coverage here

VerizonLTE · Good
AT&TLTE · Good
T-Mobile5G · Good

FCC coverage data · signal varies in remote terrain