Montana · Trail SNO336C

N Fork Big Creek Snowmobl Spur

N Fork Big Creek Snowmobl Spur Trail is a 24.7-mile snow trail in Kootenai National Forest, Montana. The Forest Service rates it trail class 2 to 3 to 4, moderately developed to highly developed. It is open to snowmobile, snowshoeing and cross-country skiing.

Trail conditions, closures and hazards are not tracked here. The Kootenai 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 end48.6732° N, 115.5295° W · Directions ↗
Other end48.7789° N, 115.5102° 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

Length24.7 miles
Trail class2, moderately developed; 3, developed; 4, highly developed
Typesnow trail
Surfacesnow
Typical grade5-8 percent
Motor vehiclesOpen to at least one motorized use
AccessibilityNot evaluated
Trail numbersSNO336C, SNO336E, SNO336F
ForestKootenai National Forest (unit 0114)
StatesMontana
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.

Weather by month

NOAA climate normals →
Weather by month near N Fork Big Creek Snowmobl Spur Trail20°30°40°50°60°70°January: 2.27 inches of precipitationFebruary: 1.73 inches of precipitationMarch: 2.27 inches of precipitationApril: 1.23 inches of precipitationMay: 2.18 inches of precipitationJune: 2.54 inches of precipitationJuly: 1.17 inches of precipitationAugust: 0.93 inches of precipitationSeptember: 1.31 inches of precipitationOctober: 1.70 inches of precipitationNovember: 2.75 inches of precipitationDecember: 2.69 inches of precipitationJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 21.7°F averageFebruary: 25.0°F averageMarch: 33.2°F averageApril: 40.7°F averageMay: 50.0°F averageJune: 56.0°F averageJuly: 62.1°F averageAugust: 61.6°F averageSeptember: 52.6°F averageOctober: 40.2°F averageNovember: 28.6°F averageDecember: 20.7°F average0 in1 in2 in3 inTemp °FInches
The line is the average temperature and the bars are average precipitation at Yaak 9Nne, 12 miles from the trail midpoint at 3,085 feet, station USC00249187 in the NOAA monthly climate normals for 1991 to 2020. Precipitation totals about 23 inches a year. The station sits about 2,000 feet lower than the trail midpoint, so temperatures on the ground run cooler.

Allowed uses

SnowmobileAllowed 12/01 to 04/30 (month/day)
SnowshoeingAllowed year-round
Cross-country skiingAllowed 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

  • Prescribed
    D7 Rx Boulder Dash

    29 mi from the trail midpoint

  • Prescribed
    D7 Rx Timbuck Stew

    29 mi from the trail midpoint

  • Prescribed
    Tl Blessed Be Landing Piles Rx

    41 mi from the trail midpoint

  • Prescribed
    Tl Tiny Timber Landing Piles Rx

    46 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

Guidebooks for Montana

We earn a small commission if you buy through these links. It does not change what we list.

  • 100 Classic Hikes: Montana
    Douglas Lorain, 2018
    Find at Bookshop.org
  • Day Hiking Glacier National Park and Western Montana
    Aaron Theisen, 2018
    Find at Bookshop.org
  • Hiking waterfalls in Montana
    John Kratz, 2017
    Find at Bookshop.org
  • Hiking Montana: Bozeman
    Bill Schneider, 2015
    Find at Bookshop.org
  • Hiking Glacier and Waterton Lakes National Parks
    Erik Molvar, 2018
    Find at Bookshop.org

Titles come from Open Library's catalog, matched by subject heading or by title.

Reference

Questions people ask

How long is the N Fork Big Creek Snowmobl Spur Trail?

The Forest Service records 24.7 miles under this name in Kootenai National Forest, the sum of 4 segments.

Source: Forest Service trail layer

What is allowed on the N Fork Big Creek Snowmobl Spur Trail?

Snowmobile, snowshoeing and cross-country skiing 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 N Fork Big Creek Snowmobl Spur Trail start?

The line begins at 48.6732° N, 115.5295° W and ends at 48.7789° N, 115.5102° 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 N Fork Big Creek Snowmobl Spur 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 N Fork Big Creek Snowmobl Spur Trail?

No federal campground is recorded within five miles of the trail. The camping section covers dispersed camping, which most National Forest land allows.

Source: Kootenai National Forest official page

How developed is the N Fork Big Creek Snowmobl Spur Trail?

Trail class 2 to 3 to 4, which the Forest Service describes as moderately developed to highly 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 N Fork Big Creek Snowmobl Spur Trail?

The typical grade is 5-8 percent.

Source: Forest Service trail layer

Who manages the N Fork Big Creek Snowmobl Spur Trail?

Kootenai National Forest, Forest Service unit 0114. The trail is in Montana.

Source: Kootenai National Forest official page

Is there a fire near the N Fork Big Creek Snowmobl Spur Trail?

The interagency feed shows 4 active incidents within 50 miles of the trail midpoint as of 2026-11-01, the nearest D7 Rx Boulder Dash at 29 miles. Check the forest's closure orders before you go.

Source: Fire nearby

Source

This page is built from 4 segments named N Fork Big Creek Snowmobl Spur in the Forest Service TrailNFS_Publish layer, administrative unit 0114. 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.