Heaton Flats Trail
Heaton Flats Trail is a 5.3 miles trail in Angeles National Forest, California. The Forest Service rates it trail class 2, moderately developed. It is open to hiking, horse and pack stock and mountain biking. It enters Sheep Mountain Wilderness.
Trail conditions, closures and hazards are not tracked here. The Angeles 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 | 34.2418, -117.7613 · Directions ↗ |
| Other end | 34.2665, -117.7066 · 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 is recorded as 2 segments.
The trail
| Length | 5.3 miles |
| Trail class | 2, moderately developed |
| Type | land trail |
| Surface | native material |
| Typical grade | 12-20 percent |
| Typical tread width | 18-24 inches |
| Motor vehicles | Closed to all motorized use year-round |
| Accessibility | Not evaluated |
| Trail numbers | 238W16 |
| Forest | Angeles National Forest (unit 0501) |
| States | California |
| 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.
Allowed uses
| Hiking | Allowed year-round |
| Horse and pack stock | Allowed |
| Mountain biking | Allowed 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.
Wilderness
- Sheep Mountain Wilderness WildernessFS · about 55% of the line is insideWilderness Connect ↗
Inside a designated wilderness, bicycles and motor vehicles are prohibited by law regardless of the trail record, and permits or group limits may apply.
Trailheads
No season published · listed temporarily closed | 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
Historic places nearby
Reference
Questions people ask
How long is the Heaton Flats Trail?
5.3 miles, the sum of the 2 segments the Forest Service records under this name in Angeles National Forest.
Source: Forest Service trail layer
What is allowed on the Heaton Flats 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 Heaton Flats Trail start?
The line begins at 34.2418, -117.7613 and ends at 34.2665, -117.7066. The nearest recorded trailhead is Heaton Flats Trailhead, 0.1 miles from the line. The record does not say which end is the usual start.
Source: Forest Service trail layer
Is the Heaton Flats Trail in a wilderness area?
Yes. It enters Sheep Mountain Wilderness. Wilderness rules ban bicycles and motor vehicles and often limit group size.
Where can I camp near the Heaton Flats Trail?
Manker Flat Campground (4.3 mi) and Lupine Campground (4.9 mi) are within five miles of the trail. Site counts and booking links are on Campsite Atlas.
Source: Campsite Atlas
How developed is the Heaton Flats Trail?
Trail class 2, which the Forest Service describes as moderately 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 Heaton Flats Trail?
The typical grade is 12-20 percent. The typical tread is 18-24 inches wide.
Source: Forest Service trail layer
Who manages the Heaton Flats Trail?
Angeles National Forest, Forest Service unit 0501. The trail is in California.
Source
This page is built from 2 segments named HEATON FLATS TRAIL in the Forest Service TrailNFS_Publish layer, administrative unit 0501. 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.