Boulder Basin

Idaho

Caution todayIdaho
Caution today

Free — you'll pick up right here.

18.6 mi

Distance

4,938 ft

Gain

Conditions: Caution

for hike, today

Agency alerts are in effect for this area; weather is good

2 factors · 2 sources

Newest 12 h ago · oldest 12 h

  • caution: Agency alerts

    18 active alerts in Salmon-Challis National Forest; most severe: Salmon River Corridor (Wild and Scenic Section)

    USFSPosted May 28, 2021 · checked 12 h ago

  • clear: Weather

    Clouds, high 66°F / low 40°F, 0% precip — 97/100 for hike

    OpenWeather12 h ago

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Why you'll love it

Big climb
Out & back

Here's your day, mapped

Boulder Basin

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Elevation & route

Distance
18.6 mi
Elevation gain
4,938 ft
Highest point
8,355 ft
Lowest point
3,382 ft
More about this trail ↓

Photos

Directions & GPX

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Permits & access

Managing agency
Forest Service
Bikes
Allowed
Horses
Allowed
Surface
Natural

Source for bikes, horses, surface: USDA Forest Service National Forest System Trails (EDW)

About this trail

Boulder Basin is an out-and-back trail in Idaho that is 18.65 miles and gains 4,938 feet of elevation. It is managed by the Forest Service.

Facts about this trail

The climb

High point
8,355 ft
Length (round trip)
19 mi
Shape
Out and back

Source: Roamze elevation profile and trail geometry (DEM samples along the mapped route)

Where it is

Managed by
Forest Service

Source: USFS EDW boundaries; USGS PAD-US 4.1

Conditions

Active alerts for Salmon-Challis National Forest as of Oct 9, 2026:

Source: USFS forest alerts

Nearby

Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)

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