Thomas Lake Winter
Thomas Lake Winter Trail is a 9.4 miles snow trail in Superior National Forest, Minnesota. The Forest Service rates it trail class 3, developed. It is open to snowshoeing and cross-country skiing. It enters Boundary Waters Canoe Area Wilderness.
Trail conditions, closures and hazards are not tracked here. The Superior 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 end | 47.9713, -91.4323 · Directions ↗ |
| Other end | 47.9859, -91.2628 · 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
| Length | 9.4 miles |
| Trail class | 3, developed |
| Type | snow trail |
| Surface | snow |
| Typical grade | 0-5 percent |
| Typical tread width | 48-60 inches |
| Motor vehicles | Closed to all motorized use year-round |
| Accessibility | Not evaluated |
| Trail numbers | 50177 SNOW |
| Forest | Superior National Forest (unit 0909) |
| States | Minnesota |
| Detail published | management 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
| Snowshoeing | Allowed 12/01 to 03/31 (month/day) |
| Cross-country skiing | Allowed 12/01 to 03/31 (month/day) |
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.
Wilderness
- Boundary Waters Canoe Area Wilderness WildernessFS · about 85% of the line is insideWilderness Connect ↗
Inside a designated wilderness, bicycles and motor vehicles are prohibited by law regardless of the trail record, and permits or group limits may apply.
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
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.
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.
Reference
Questions people ask
How long is the Thomas Lake Winter Trail?
9.4 miles, the sum of the 1 segment the Forest Service records under this name in Superior National Forest.
Source: Forest Service trail layer
What is allowed on the Thomas Lake Winter Trail?
snowshoeing and cross-country skiing. The trail is closed to motor vehicles year-round. Some uses are seasonal. The allowed uses section lists the dates.
Source: Forest Service trail layer
Where does the Thomas Lake Winter Trail start?
The line begins at 47.9713, -91.4323 and ends at 47.9859, -91.2628. 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 Thomas Lake Winter Trail in a wilderness area?
Yes. It enters Boundary Waters Canoe Area Wilderness. Wilderness rules ban bicycles and motor vehicles and often limit group size.
Where can I camp near the Thomas Lake Winter Trail?
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.
How developed is the Thomas Lake Winter Trail?
Trail class 3, which the Forest Service describes as 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 Thomas Lake Winter Trail?
The typical grade is 0-5 percent. The typical tread is 48-60 inches wide.
Source: Forest Service trail layer
Who manages the Thomas Lake Winter Trail?
Superior National Forest, Forest Service unit 0909. The trail is in Minnesota.
Source
This page is built from 1 segment named THOMAS LAKE WINTER in the Forest Service TrailNFS_Publish layer, administrative unit 0909. 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.