Mt. Baker-Snoqualmie National Forest · Washington · Trail 1040

MT. Catherine Loop

MT. Catherine Loop is a 6 miles snow trail in Mt. Baker-Snoqualmie National Forest, Washington. The Forest Service rates it trail class 4, highly developed. It is open to snowshoeing and cross-country skiing.

Trail conditions, closures and hazards are not tracked here. The Mt. Baker-Snoqualmie 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 end47.3895, -121.3963 · Directions ↗
Other end47.3751, -121.4490 · 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

Length6 miles
Trail class4, highly developed
Typesnow trail
Surfacesnow
Typical grade12-20 percent
Typical tread width18-24 inches
Motor vehiclesClosed to all motorized use year-round
AccessibilityNot evaluated
Trail numbers1040
ForestMt. Baker-Snoqualmie National Forest (unit 0605)
StatesWashington
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

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

No season published · listed none
0.2 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
    Three Queens

    8 mi from the trail midpoint · 9,558 acres · 23% contained

  • Wildfire
    King

    10 mi from the trail midpoint · 3,298 acres · 0% contained

  • Wildfire
    Goat

    18 mi from the trail midpoint · 815 acres · 41% contained

  • Wildfire
    West Fork

    32 mi from the trail midpoint · 310 acres · 16% 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 MT. Catherine Loop?

6 miles, the sum of the 1 segment the Forest Service records under this name in Mt. Baker-Snoqualmie National Forest.

Source: Forest Service trail layer

What is allowed on the MT. Catherine Loop?

snowshoeing and cross-country skiing. The trail is closed to motor vehicles year-round.

Source: Forest Service trail layer

Where does the MT. Catherine Loop start?

The line begins at 47.3895, -121.3963 and ends at 47.3751, -121.4490. The nearest recorded trailhead is Lake Keechelus Trailhead, 0.2 miles from the line. The record does not say which end is the usual start.

Source: Forest Service trail layer

Is the MT. Catherine 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 MT. Catherine Loop?

Denny Creek Campground (2.6 mi) is within five miles of the trail. Site counts and booking links are on Campsite Atlas.

Source: Campsite Atlas

How developed is the MT. Catherine 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 MT. Catherine Loop?

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

Source: Forest Service trail layer

Who manages the MT. Catherine Loop?

Mt. Baker-Snoqualmie National Forest, Forest Service unit 0605. The trail is in Washington.

Source: Mt. Baker-Snoqualmie National Forest official page

Is there a fire near the MT. Catherine Loop?

4 active incidents within 50 miles of the trail midpoint as of 2026-09-17, the nearest Three Queens at 8 miles. Check the forest's closure orders before you go.

Source: Fire nearby

Source

This page is built from 1 segment named MT. CATHERINE LOOP in the Forest Service TrailNFS_Publish layer, administrative unit 0605. 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.