Sloan Peak
Sloan Peak Trail is a 4.5-mile trail in Mt. Baker-Snoqualmie National Forest, Washington. The Forest Service rates it trail class 2, moderately developed. It is open to hiking. It enters Henry M. Jackson 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 | 48.0864° N, 121.3084° W · Directions ↗ |
| Other end | 48.0593° N, 121.3389° 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 3 segments.
The trail
| Length | 4.5 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 | Evaluated and does not meet accessibility guidelines |
| Trail numbers | 648 |
| 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
- Henry M. Jackson WildernessFS · about 53% 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
Sloan Peak Trailhead No season published Wilderness regulations apply within Henry M. Jackson Wilderness. | under 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.
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.
Fire nearby
- WildfireGamma Creek
14 mi from the trail midpoint · 29 acres
- WildfireSisi
29 mi from the trail midpoint · 4,816 acres · 40% contained
- WildfireKing
42 mi from the trail midpoint · 3,427 acres · 72% contained
- WildfireThree Queens
46 mi from the trail midpoint · 9,575 acres · 90% contained
Distance is to the reported incident point, not the fire edge. Closure orders are on the forest's official page.
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Reference
Questions people ask
How long is the Sloan Peak Trail?
The Forest Service records 4.5 miles under this name in Mt. Baker-Snoqualmie National Forest, the sum of 3 segments.
Source: Forest Service trail layer
What is allowed on the Sloan Peak Trail?
Hiking is allowed. The trail is closed to motor vehicles year-round.
Source: Forest Service trail layer
Where does the Sloan Peak Trail start?
The line begins at 48.0864° N, 121.3084° W and ends at 48.0593° N, 121.3389° W. The nearest recorded trailhead is Sloan Peak Trailhead, under 0.1 miles from the line. The record does not say which end is the usual start.
Source: Forest Service trail layer
Is the Sloan Peak Trail in a wilderness area?
Yes. It enters Henry M. Jackson Wilderness. Wilderness rules ban bicycles and motor vehicles and often limit group size.
Source: Henry M. Jackson Wilderness
Where can I camp near the Sloan Peak Trail?
Bedal Campground (3.2 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 Sloan Peak 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 Sloan Peak Trail?
The typical grade is 12-20 percent. The typical tread is 18-24 inches wide.
Source: Forest Service trail layer
Is the Sloan Peak Trail accessible?
No. The Forest Service evaluated it and found it does not meet its accessibility guidelines.
Source: Forest Service trail layer
Who manages the Sloan Peak Trail?
Mt. Baker-Snoqualmie National Forest, Forest Service unit 0605. The trail is in Washington.
Is there a fire near the Sloan Peak Trail?
The interagency feed shows 4 active incidents within 50 miles of the trail midpoint as of 2026-11-01, the nearest Gamma Creek at 14 miles. Check the forest's closure orders before you go.
Source: Fire nearby
Source
This page is built from 3 segments named Sloan Peak 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.