Gifford Pinchot National Forest · Washington · Trail SNO-R8800

Big Tire Sm Loop

Big Tire Sm Loop is a 15.9 miles snow trail in Gifford Pinchot National Forest, Washington. The Forest Service rates it trail class 4, highly developed. The forest has not published allowed uses for it.

Trail conditions, closures and hazards are not tracked here. The Gifford Pinchot 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 end46.0566, -121.6286 · Directions ↗
Other end46.2004, -121.7232 · 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

Length15.9 miles
Trail class4, highly developed
Typesnow trail
Surfacesnow
Typical grade12-20 percent
Typical tread width18-24 inches
AccessibilityEvaluated and does not meet accessibility guidelines
Trail numbersSNO-R8800
ForestGifford Pinchot National Forest (unit 0603)
StatesWashington
Detail publishedbasic characteristics

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.

Trailheads

No season published
0 mi
No season published
Pacific Crest Trail is closed to all motorized use and bicycles.
0 mi

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
    High Lava

    26 mi from the trail midpoint · 2,899 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 Big Tire Sm Loop?

15.9 miles, the sum of the 1 segment the Forest Service records under this name in Gifford Pinchot National Forest.

Source: Forest Service trail layer

What is allowed on the Big Tire Sm Loop?

Gifford Pinchot National Forest has not published allowed uses for this trail. The forest office can say what is open.

Source: Gifford Pinchot National Forest official page

Where does the Big Tire Sm Loop start?

The line begins at 46.0566, -121.6286 and ends at 46.2004, -121.7232. The nearest recorded trailhead is Trailhead: Langfield Falls, 0 miles from the line. The record does not say which end is the usual start.

Source: Forest Service trail layer

Is the Big Tire Sm Loop 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 Big Tire Sm Loop?

Campground: Trout Lake Creek (0.8 mi), Campground: Twin Falls (2.2 mi) and Cultus Creek Cg Gifford Pinchot Nf (2.9 mi) are within five miles of the trail. Site counts and booking links are on Campsite Atlas.

Source: Campsite Atlas

How developed is the Big Tire Sm Loop?

Trail class 4, which the Forest Service describes as 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 Big Tire Sm Loop?

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

Source: Forest Service trail layer

Is the Big Tire Sm Loop accessible?

No. The Forest Service evaluated it and found it does not meet its accessibility guidelines.

Source: Forest Service trail layer

Who manages the Big Tire Sm Loop?

Gifford Pinchot National Forest, Forest Service unit 0603. The trail is in Washington.

Source: Gifford Pinchot National Forest official page

Is there a fire near the Big Tire Sm Loop?

1 active incident within 50 miles of the trail midpoint as of 2026-09-17, the nearest High Lava at 26 miles. Check the forest's closure orders before you go.

Source: Fire nearby

Source

This page is built from 1 segment named BIG TIRE SM LOOP in the Forest Service TrailNFS_Publish layer, administrative unit 0603. 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.