Ptarmigan Ridge
Ptarmigan Ridge Trail is a 5-mile trail in Mt. Baker-Snoqualmie National Forest, Washington. The Forest Service rates it trail class 3, developed. It is open to hiking. It enters Mount Baker Wilderness.
Trail conditions, closures and hazards are not tracked here. The Mt. Baker-Snoqualmie 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 | 48.8433° N, 121.7138° W · Directions ↗ |
| Other end | 48.8198° N, 121.7471° 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 | 5 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 | 682.1 |
| Forest | Mt. Baker-Snoqualmie National Forest (unit 0605) |
| States | Washington |
| 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 |
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
- Mount Baker WildernessFS · the whole 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
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
Park units nearby
Historic places nearby
Guidebooks for Washington
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Titles come from Open Library's catalog, matched by subject heading or by title.
Reference
Questions people ask
How long is the Ptarmigan Ridge Trail?
The Forest Service records 5 miles under this name in Mt. Baker-Snoqualmie National Forest, the sum of 1 segment.
Source: Forest Service trail layer
What is allowed on the Ptarmigan Ridge Trail?
Hiking is allowed. The trail is closed to motor vehicles year-round.
Source: Forest Service trail layer
Where does the Ptarmigan Ridge Trail start?
The line begins at 48.8433° N, 121.7138° W and ends at 48.8198° N, 121.7471° 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 Ptarmigan Ridge Trail in a wilderness area?
Yes. It enters Mount Baker Wilderness. Wilderness rules ban bicycles and motor vehicles and often limit group size.
Source: Mount Baker Wilderness
Where can I camp near the Ptarmigan Ridge Trail?
Silver Fir Campground (4.2 mi) is within five miles of the trail. The camping section lists it with site counts and booking links.
Source: Campsite Atlas
How developed is the Ptarmigan 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 Ptarmigan 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 Ptarmigan Ridge Trail?
Mt. Baker-Snoqualmie National Forest, Forest Service unit 0605. The trail is in Washington.
Source
This page is built from 1 segment named Ptarmigan Ridge in the Forest Service TrailNFS_Publish layer, administrative unit 0605. 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.