Nahma Grade Sno-Mo
Nahma Grade Sno-Mo Trail is a 21.6-mile snow trail in Hiawatha National Forest, Michigan. The Forest Service rates it trail class 4, highly developed. It is open to snowmobile, snowshoeing and cross-country skiing.
Trail conditions, closures and hazards are not tracked here. The Hiawatha 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 | 45.8954° N, 86.7085° W · Directions ↗ |
| Other end | 46.1305° N, 86.6393° 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
| Length | 21.6 miles |
| Trail class | 4, highly developed |
| Type | snow trail |
| Surface | snow |
| Typical grade | 0-5 percent |
| Typical tread width | over 120 inches |
| Motor vehicles | Open to at least one motorized use |
| Accessibility | Not evaluated |
| Trail numbers | 103 |
| Forest | Hiawatha National Forest (unit 0910) |
| States | Michigan |
| 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.
Weather by month
Allowed uses
| Snowmobile | Allowed 12/01 to 03/31 (month/day) |
| Snowshoeing | Allowed year-round |
| Cross-country skiing | Allowed 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
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
- WildfireSilver Leaf
47 mi from the trail midpoint · 12 acres
Distance is to the reported incident point, not the fire edge. Closure orders are on the forest's official page.
Explore
Historic places nearby
Guidebooks for Hiawatha National Forest and Michigan
We earn a small commission if you buy through these links. It does not change what we list.
- Field Guide Hiawatha National Forest Ecological Classification SystemGreg Kudray, 2019Find at Bookshop.org
- Explorer's Guide 50 Hikes on and Around the North Country Trail - Michigan and WisconsinThomas Funke, 2016Find 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 Nahma Grade Sno-Mo Trail?
The Forest Service records 21.6 miles under this name in Hiawatha National Forest, the sum of 1 segment.
Source: Forest Service trail layer
What is allowed on the Nahma Grade Sno-Mo 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 Nahma Grade Sno-Mo Trail start?
The line begins at 45.8954° N, 86.7085° W and ends at 46.1305° N, 86.6393° 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 Nahma Grade Sno-Mo 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 Nahma Grade Sno-Mo Trail?
Flowing Well Campground (0.1 mi), Corner Lake Campground (2 mi) and Mowe Lake Campsites (3.2 mi) are within five miles of the trail. The camping section lists all 6 with site counts and booking links.
Source: Campsite Atlas
How developed is the Nahma Grade Sno-Mo Trail?
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 Nahma Grade Sno-Mo Trail?
The typical grade is 0-5 percent. The typical tread is over 120 inches wide.
Source: Forest Service trail layer
Who manages the Nahma Grade Sno-Mo Trail?
Hiawatha National Forest, Forest Service unit 0910. The trail is in Michigan.
Is there a fire near the Nahma Grade Sno-Mo Trail?
The interagency feed shows 1 active incident within 50 miles of the trail midpoint as of 2026-11-01, the nearest Silver Leaf at 47 miles. Check the forest's closure orders before you go.
Source: Fire nearby
Source
This page is built from 1 segment named Nahma Grade Sno-Mo in the Forest Service TrailNFS_Publish layer, administrative unit 0910. 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.