Salmon-Challis National Forest · Idaho · Trail 6238

Lewis and Clark NHT

Lewis and Clark NHT Trail is a 3.9 miles trail in Salmon-Challis 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, atv, 4wd over 50 inches and e-bikes.

Trail conditions, closures and hazards are not tracked here. The Salmon-Challis 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 end44.9747, -113.4453 · Directions ↗
Other end44.9932, -113.5063 · 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

Length3.9 miles
Trail class2, moderately developed
Typeland trail
Surfacenative material
Typical grade12-20 percent
Typical tread width18-24 inches
Motor vehiclesOpen to at least one motorized use
AccessibilityNot evaluated
National designationNational Scenic or Historic Trail
Trail numbers6238
ForestSalmon-Challis National Forest (unit 0413)
StatesIdaho
Detail publishedmanagement 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.

Allowed uses

HikingAllowed year-round
Horse and pack stockAllowed year-round
Mountain bikingAllowed year-round
MotorcycleAllowed year-round
ATVAllowed year-round
4WD over 50 inchesAllowed year-round
E-bikesAllowed 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.

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. The recreation page link goes to the Forest Service site, which may redirect to the forest's recreation index.

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

  • Wildfire
    Sand Creek

    40 mi from the trail midpoint · 35,520 acres · 58% contained

  • Wildfire
    Skull

    43 mi from the trail midpoint · 67 acres · 0% contained

  • Wildfire
    Bobcat Lakes

    47 mi from the trail midpoint · 10,896 acres · 72% contained

  • Wildfire
    Doublesprings

    49 mi from the trail midpoint · 1,779 acres · 60% contained

Distance is to the reported incident point, not the fire edge. Closure orders are on the forest's official page.

Explore

Reference

Questions people ask

How long is the Lewis and Clark NHT Trail?

3.9 miles, the sum of the 3 segments the Forest Service records under this name in Salmon-Challis National Forest.

Source: Forest Service trail layer

What is allowed on the Lewis and Clark NHT Trail?

hiking, horse and pack stock, mountain biking, motorcycle, atv, 4wd over 50 inches and e-bikes. The trail is open to at least one motorized use.

Source: Forest Service trail layer

Where does the Lewis and Clark NHT Trail start?

The line begins at 44.9747, -113.4453 and ends at 44.9932, -113.5063. 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 Lewis and Clark NHT 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 Lewis and Clark NHT Trail?

Agency Creek Campground (3.9 mi) is within five miles of the trail. Site counts and booking links are on Campsite Atlas.

Source: Campsite Atlas

How developed is the Lewis and Clark NHT 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 Lewis and Clark NHT Trail?

The typical grade is 12-20 percent. The typical tread is 18-24 inches wide.

Source: Forest Service trail layer

Is the Lewis and Clark NHT Trail a national trail?

Yes. The record marks it as a National Scenic or Historic Trail.

Source: Forest Service trail layer

Who manages the Lewis and Clark NHT Trail?

Salmon-Challis National Forest, Forest Service unit 0413. The trail is in Idaho.

Source: Salmon-Challis National Forest official page

Is there a fire near the Lewis and Clark NHT Trail?

4 active incidents within 50 miles of the trail midpoint as of 2026-09-17, the nearest Sand Creek at 40 miles. Check the forest's closure orders before you go.

Source: Fire nearby

Source

This page is built from 3 segments named LEWIS AND CLARK NHT in the Forest Service TrailNFS_Publish layer, administrative unit 0413. 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.