Big Hill Loop D
Big Hill Loop D Trail is a 4.5 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, mountain biking and cross-country skiing.
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 end | 44.4040, -103.9316 · Directions ↗ |
| Other end | 44.4027, -103.9294 · 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
| Length | 4.5 miles |
| Trail class | 3, developed |
| Type | land trail |
| Surface | native material |
| Typical grade | 12-20 percent |
| Typical tread width | 24-36 inches |
| Motor vehicles | Closed to all motorized use year-round |
| Accessibility | Evaluated and does not meet accessibility guidelines |
| Trail numbers | 72D |
| Forest | Black Hills National Forest (unit 0203) |
| States | South Dakota |
| Detail published | management 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.
Weather by month
Allowed uses
| Hiking | Allowed 04/01 to 11/30 (month/day) |
| Horse and pack stock | Allowed 04/01 to 11/30 (month/day) |
| Mountain biking | Allowed 04/01 to 11/30 (month/day) |
| Cross-country skiing | Allowed 12/01 to 03/31 (month/day) |
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
The Forest Service recreation layer records no trailhead within a third of a mile of this trail's line. Many trails start from a road pullout or another trail with no trailhead record. The forest's recreation pages list the trailheads it does publish.
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
Historic places nearby
Reference
Questions people ask
How long is the Big Hill Loop D Trail?
4.5 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 Big Hill Loop D Trail?
hiking, horse and pack stock, mountain biking and cross-country skiing. The trail is closed to motor vehicles year-round. Some uses are seasonal. The allowed uses section lists the dates.
Source: Forest Service trail layer
Where does the Big Hill Loop D Trail start?
The line begins at 44.4040, -103.9316 and ends at 44.4027, -103.9294. No Forest Service trailhead is recorded within a third of a mile of it. The record does not say which end is the usual start.
Source: Forest Service trail layer
Is the Big Hill Loop D 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 Big Hill Loop D Trail?
Rod & Gun Campground (3.4 mi) and Timon Campground (4.6 mi) are within five miles of the trail. Site counts and booking links are on Campsite Atlas.
Source: Campsite Atlas
How developed is the Big Hill Loop D 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 Big Hill Loop D Trail?
The typical grade is 12-20 percent. The typical tread is 24-36 inches wide.
Source: Forest Service trail layer
Is the Big Hill Loop D 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 Big Hill Loop D Trail?
Black Hills National Forest, Forest Service unit 0203. The trail is in South Dakota.
Source
This page is built from 1 segment named BIG HILL LOOP D 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.