Airline
Airline Trail is a 10.1 miles trail in Boise National Forest, Idaho. The Forest Service rates it trail class 2, moderately developed. It is open to hiking, horse and pack stock, mountain biking, motorcycle, e-bikes and cross-country skiing.
Trail conditions, closures and hazards are not tracked here. The Boise 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 | 44.1258, -115.9130 · Directions ↗ |
| Other end | 44.1807, -115.7886 · 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 | 10.1 miles |
| Trail class | 2, moderately developed |
| Type | land trail |
| Surface | native material |
| Typical tread width | 18-24 inches |
| Motor vehicles | Open to at least one motorized use |
| Accessibility | Not evaluated |
| Trail numbers | 038006 |
| Forest | Boise National Forest (unit 0402) |
| States | Idaho |
| 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 year-round |
| Mountain biking | Allowed year-round |
| Motorcycle | Allowed year-round |
| E-bikes | Allowed year-round |
| Cross-country skiing | Allowed 10/15 to 04/15 (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.
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.
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
- WildfireWoodridge
11 mi from the trail midpoint · 15 acres
- WildfireCrooked
27 mi from the trail midpoint · 10,081 acres · 98% contained
Distance is to the reported incident point, not the fire edge. Closure orders are on the forest's official page.
Reference
Questions people ask
How long is the Airline Trail?
10.1 miles, the sum of the 4 segments the Forest Service records under this name in Boise National Forest.
Source: Forest Service trail layer
What is allowed on the Airline Trail?
hiking, horse and pack stock, mountain biking, motorcycle, e-bikes and cross-country skiing. 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 Airline Trail start?
The line begins at 44.1258, -115.9130 and ends at 44.1807, -115.7886. 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 Airline 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 Airline Trail?
Tie Creek Campground (4.1 mi), Hot Springs (4.4 mi) and Hot Springs Campground and Group sites (4.9 mi) are within five miles of the trail. Site counts and booking links are on Campsite Atlas.
Source: Campsite Atlas
How developed is the Airline 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 Airline Trail?
The typical tread is 18-24 inches wide.
Source: Forest Service trail layer
Who manages the Airline Trail?
Boise National Forest, Forest Service unit 0402. The trail is in Idaho.
Is there a fire near the Airline Trail?
2 active incidents within 50 miles of the trail midpoint as of 2026-09-18, the nearest Woodridge at 11 miles. Check the forest's closure orders before you go.
Source: Fire nearby
Source
This page is built from 4 segments named AIRLINE in the Forest Service TrailNFS_Publish layer, administrative unit 0402. 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 September 17, 2026. The methodology page explains how segments become trails.