Blossom Lake
Blossom Lake Trail is a 4.5-mile trail in Lolo National Forest, Idaho and Montana. The Forest Service rates it trail class 3, developed. It is open to hiking, horse and pack stock, mountain biking, motorcycle and e-bikes.
Trail conditions, closures and hazards are not tracked here. The Lolo 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 | 47.5767° N, 115.7163° W · Directions ↗ |
| Other end | 47.5397° N, 115.7361° 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 4 segments.
The trail
| Length | 4.5 miles |
| Trail class | 3, developed |
| Type | land trail |
| Surface | native material |
| Typical grade | 12-20 percent |
| Motor vehicles | Open to at least one motorized use |
| Accessibility | Not evaluated |
| Trail numbers | 522 |
| Forest | Lolo National Forest (unit 0116) |
| States | Idaho, 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 10/31 (month/day) |
| Mountain biking | Allowed year-round |
| Motorcycle | Allowed year-round |
| E-bikes | 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.
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 D5 Ablt Piles
9 mi from the trail midpoint · 25 acres
- PrescribedRx D5 2 Short #17
14 mi from the trail midpoint · 33 acres
- PrescribedD4 Rx North Siwash
26 mi from the trail midpoint · 128 acres
- PrescribedD7 Lazy Jack - Rx
33 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
Historic places nearby
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Reference
Questions people ask
How long is the Blossom Lake Trail?
The Forest Service records 4.5 miles under this name in Lolo National Forest, the sum of 4 segments.
Source: Forest Service trail layer
What is allowed on the Blossom Lake Trail?
Hiking, horse and pack stock, mountain biking, motorcycle and e-bikes are allowed. The trail is open to at least one motorized use. Some uses are seasonal. The allowed uses section lists the dates.
Source: Forest Service trail layer
Where does the Blossom Lake Trail start?
The line begins at 47.5767° N, 115.7163° W and ends at 47.5397° N, 115.7361° 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 Blossom Lake Trail in a wilderness area?
No. The trail line does not cross any polygon in the National Wilderness Preservation System layer.
Source: Wilderness Connect
Where can I camp near the Blossom Lake 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 Blossom Lake 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 Blossom Lake Trail?
The typical grade is 12-20 percent.
Source: Forest Service trail layer
Who manages the Blossom Lake Trail?
Lolo National Forest, Forest Service unit 0116. The trail is in Idaho and Montana.
Is there a fire near the Blossom Lake Trail?
The interagency feed shows 4 active incidents within 50 miles of the trail midpoint as of 2026-11-01, the nearest Rx D5 Ablt Piles at 9 miles. Check the forest's closure orders before you go.
Source: Fire nearby
Source
This page is built from 4 segments named Blossom Lake in the Forest Service TrailNFS_Publish layer, administrative unit 0116. 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.