Square Mountain
Square Mountain Trail is a 7.2-mile trail in Nez Perce-Clearwater National Forest, Idaho. The forest has not published allowed uses for it. It enters Gospel-Hump Wilderness.
Trail conditions, closures and hazards are not tracked here. The Nez Perce-Clearwater 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 | 45.6018° N, 115.8697° W · Directions ↗ |
| Other end | 45.6758° N, 115.8377° W · 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 | 7.2 miles |
| Type | land trail |
| Accessibility | Not evaluated |
| Trail numbers | 383 |
| Forest | Nez Perce-Clearwater National Forest (unit 0117) |
| States | Idaho |
| Detail published | centerline only |
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
Wilderness
- Gospel-Hump WildernessFS · about 82% 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
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.
Trails nearby
Camping nearby
No federal campground is recorded within five miles of the trail. Dispersed camping is allowed on most National Forest land outside posted closures. The forest office has the current rules.
Fire nearby
- PrescribedRx Doc Denny - Srrd
13 mi from the trail midpoint · 20 acres
- PrescribedRx Crooked Christie Srrd
26 mi from the trail midpoint · 126 acres
- PrescribedBrush Rx
42 mi from the trail midpoint · 2,000 acres
- PrescribedMeadow Marsh 2026 Rx
49 mi from the trail midpoint · 70 acres
Distance is to the reported incident point, not the fire edge. Closure orders are on the forest's official page.
Nez Perce-Clearwater National Forest publishes this trail as a centerline only, with no class, surface or allowed uses. What is here is the name, the length and the line. The forest office has the rest.
Checked every Sunday. Sections appear on the first run after the forest publishes more.
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Reference
Questions people ask
How long is the Square Mountain Trail?
The Forest Service records 7.2 miles under this name in Nez Perce-Clearwater National Forest, the sum of 1 segment.
Source: Forest Service trail layer
What is allowed on the Square Mountain Trail?
Nez Perce-Clearwater National Forest has not published allowed uses for this trail. The forest office can say what is open.
Where does the Square Mountain Trail start?
The line begins at 45.6018° N, 115.8697° W and ends at 45.6758° N, 115.8377° W. 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 Square Mountain Trail in a wilderness area?
Yes. It enters Gospel-Hump Wilderness. Wilderness rules ban bicycles and motor vehicles and often limit group size.
Source: Gospel-Hump Wilderness
Where can I camp near the Square Mountain Trail?
No federal campground is recorded within five miles of the trail. The camping section covers dispersed camping, which most National Forest land allows.
Who manages the Square Mountain Trail?
Nez Perce-Clearwater National Forest, Forest Service unit 0117. The trail is in Idaho.
Is there a fire near the Square Mountain Trail?
The interagency feed shows 4 active incidents within 50 miles of the trail midpoint as of 2026-11-01, the nearest Rx Doc Denny - Srrd at 13 miles. Check the forest's closure orders before you go.
Source: Fire nearby
Source
This page is built from 1 segment named Square Mountain in the Forest Service TrailNFS_Publish layer, administrative unit 0117. 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 November 1, 2026. The methodology page explains how segments become trails.