Pike and San Isabel National Forests · Colorado · Trail 110.J

South Halfmoon 4WD Trail

South Halfmoon 4WD Trail is a 4.6 miles trail in Pike and San Isabel National Forests, Colorado. It is open to hiking, horse and pack stock, mountain biking, motorcycle, atv, 4wd over 50 inches and e-bikes.

Trail conditions, closures and hazards are not tracked here. The Pike and San Isabel National Forests 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 end39.1506, -106.4555 · Directions ↗
Other end39.1185, -106.4879 · 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

Length4.6 miles
Typeland trail
Motor vehiclesOpen to at least one motorized use
AccessibilityNot evaluated
Trail numbers110.J
ForestPike and San Isabel National Forests (unit 0212)
StatesColorado
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
Mountain bikingAllowed year-round
MotorcycleAllowed year-round
ATVAllowed year-round
4WD over 50 inchesAllowed year-round
E-bikesAllowed 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

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.

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.

Fire nearby

  • Wildfire
    Willow

    8 mi from the trail midpoint · 7,389 acres · 80% contained

Distance is to the reported incident point, not the fire edge. Closure orders are on the forest's official page.

Explore

Reference

Questions people ask

How long is the South Halfmoon 4WD Trail?

4.6 miles, the sum of the 1 segment the Forest Service records under this name in Pike and San Isabel National Forests.

Source: Forest Service trail layer

What is allowed on the South Halfmoon 4WD Trail?

hiking, horse and pack stock, mountain biking, motorcycle, atv, 4wd over 50 inches and e-bikes. The trail is open to at least one motorized use.

Source: Forest Service trail layer

Where does the South Halfmoon 4WD Trail start?

The line begins at 39.1506, -106.4555 and ends at 39.1185, -106.4879. 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 South Halfmoon 4WD 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 South Halfmoon 4WD Trail?

Elbert Creek (2.3 mi), Halfmoon West (3.1 mi) and Halfmoon East (3.2 mi) are within five miles of the trail. Site counts and booking links are on Campsite Atlas.

Source: Campsite Atlas

Who manages the South Halfmoon 4WD Trail?

Pike and San Isabel National Forests, Forest Service unit 0212. The trail is in Colorado.

Source: Pike and San Isabel National Forests official page

Is there a fire near the South Halfmoon 4WD Trail?

1 active incident within 50 miles of the trail midpoint as of 2026-09-17, the nearest Willow at 8 miles. Check the forest's closure orders before you go.

Source: Fire nearby

Source

This page is built from 1 segment named SOUTH HALFMOON 4WD TRAIL in the Forest Service TrailNFS_Publish layer, administrative unit 0212. 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.