Grant Ridge
Grant Ridge Trail is a 9.7-mile trail in Flathead National Forest, Montana. The Forest Service rates it trail class 3, developed. It is open to hiking, horse and pack stock, mountain biking and snowmobile. It enters Great Bear Wilderness.
Trail conditions, closures and hazards are not tracked here. The Flathead 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 | 48.4001° N, 113.7146° W · Directions ↗ |
| Other end | 48.3912° N, 113.7269° 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 is recorded as 2 segments.
The trail
| Length | 9.7 miles |
| Trail class | 3, 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 | 339 |
| Forest | Flathead National Forest (unit 0110) |
| States | Montana |
| 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 year-round |
| Horse and pack stock | Allowed 06/01 to 09/30 (month/day) |
| Mountain biking | Allowed year-round |
| Snowmobile | 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.
Wilderness
- Great Bear WildernessFS · about 74% 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
- PrescribedGnp Apgar Hand Piles Rx
17 mi from the trail midpoint
- PrescribedHh Betty Baptiste Hand Piles Rx
17 mi from the trail midpoint
- PrescribedStw New Acquisition Rx
38 mi from the trail midpoint
- PrescribedTl Tiny Timber Landing Piles Rx
44 mi from the trail midpoint
Distance is to the reported incident point, not the fire edge. Closure orders are on the forest's official page.
Explore
Park units nearby
Historic places nearby
Guidebooks for Montana
We earn a small commission if you buy through these links. It does not change what we list.
Titles come from Open Library's catalog, matched by subject heading or by title.
Reference
Questions people ask
How long is the Grant Ridge Trail?
The Forest Service records 9.7 miles under this name in Flathead National Forest, the sum of 2 segments.
Source: Forest Service trail layer
What is allowed on the Grant Ridge Trail?
Hiking, horse and pack stock, mountain biking and snowmobile are allowed. 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 Grant Ridge Trail start?
The line begins at 48.4001° N, 113.7146° W and ends at 48.3912° N, 113.7269° 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 Grant Ridge Trail in a wilderness area?
Yes. It enters Great Bear Wilderness. Wilderness rules ban bicycles and motor vehicles and often limit group size.
Source: Great Bear Wilderness
Where can I camp near the Grant Ridge Trail?
No federal campground is recorded within five miles of the trail. The camping section covers dispersed camping, which most National Forest land allows.
How developed is the Grant Ridge 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 Grant Ridge Trail?
The typical grade is 12-20 percent. The typical tread is 18-24 inches wide.
Source: Forest Service trail layer
Who manages the Grant Ridge Trail?
Flathead National Forest, Forest Service unit 0110. The trail is in Montana.
Is there a fire near the Grant Ridge Trail?
The interagency feed shows 4 active incidents within 50 miles of the trail midpoint as of 2026-11-01, the nearest Gnp Apgar Hand Piles Rx at 17 miles. Check the forest's closure orders before you go.
Source: Fire nearby
Source
This page is built from 2 segments named Grant Ridge in the Forest Service TrailNFS_Publish layer, administrative unit 0110. 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.