Snowmobile Trails by State: Maps, Dates, Permits

Q: Which states have a snowmobile trail map on this site?

18 states: Maine, New Hampshire, Vermont, Connecticut, New York, Pennsylvania, Ohio, Indiana, Michigan, Wisconsin, Minnesota, Iowa, North Dakota, Wyoming, Colorado, Washington, Idaho, Utah. Each map loads the trail lines live from the state or federal agency that publishes them, 44,827 trail lines in all, and the state page names the publisher and the date of the newest line in the data.

Q: Which state has the most snowmobile trail data?

Wisconsin: the Wisconsin Office of Outdoor Recreation publishes 13,325 snowmobile trail lines in a single statewide layer, each stamped with the county or agency that contributed it. The network is a county grant programme and the state layer is the roll-up. Michigan has the most detailed status data, with a per segment open or closed flag maintained by the DNR.

Q: Do I need a trail pass as well as a registration?

It depends on the state. 12 states here charge a registration plus a separate trail pass, and the pass is usually what a warden checks on the trail. 10 fold trail funding into the registration so there is nothing else to buy. 3 use one instrument for both, and in those states visitors generally need it too. Every state page names its model and links the agency that sells it.

Q: Can I ride in another state on my home registration?

Often, but not always, and the state page is the place to check. Some states honour an out of state registration on the trails, some require their own trail pass regardless of where the machine is registered, and some sell a short term non-resident permit. The permit section on each state page names which instrument that state checks and links the agency that sells it.

Q: Why do some states have no page here?

Because they run no state snowmobile trail programme. 25 states have a programme and a page. The rest either have no snowmobile season or ride on federal forest land and at private resorts without a state trail system, and each of those states is named below with the agency to ask.

Trail maps, season dates and permit rules, sourced to each state agency. Current trail conditions are published by the club, county or state authority that maintains each system, and every state page links that authority.

25

States with a trail programme

each with its own page

18

States with a live map

drawn from agency data

44,827

Trail lines mapped

across the live services

5

Statewide season windows

published by the agency

Trail conditions

Where to check trail conditions

Whether a trail is groomed and rideable is decided where the groomer is: by the club, county board or district forester that maintains that system. Trails close for a bridge out, a landowner withdrawing permission, a timber sale, thin base or open water, and those calls are made locally and often daily. Every state page here links the authority that publishes current conditions for that state.

Michigan is the one state that publishes a per segment status flag, maintained by its Department of Natural Resources with twelve documented values. On the day it was measured, 4,278 of 4,369 Michigan segments were flagged open, with the rest closed for reasons including water on the trail, a bridge under repair, a timber harvest and a washout. The Michigan map shows that flag by colour. In every other state the club or county report is the source, and one Idaho county also publishes per segment grooming dates.

A yellow tracked grooming tractor parked in falling snow with a wide steel drag hitched behind it and a second drag stacked at the edge of the clearing — The machine that makes the difference between a trail and a field. The tractor packs, and the steel drag behind it cuts the moguls down and lays a flat surface that then sets hard overnight. Grooming is why trail systems have opening dates at all: the base has to be deep enough to carry this before anybody can run it. “Grooming unit and drag” — Magnum x, via English Wikipedia — Public domain

Coverage

Trail maps by state

18 states publish snowmobile trail geometry through public map services, and the map on each of those state pages loads it live from the agency. The table lists what each state publishes, its season window, and the first thing a rider has to buy.

The 25 states with a page, what each publishes, and what it charges
State	Map	Season window	First thing to buy
Northeast
Maine	3,772 lines	Not published	Ask the agency
New Hampshire	5,989 lines	Not published	Ask the agency
Vermont	2,175 lines	Dec 16 to Apr 15	Ask the agency
Massachusetts	Agency map	Not published	Ask the agency
Connecticut	145 lines	Set locally	Ask the agency
New York	2,911 lines	Not published	Ask the agency
Pennsylvania	78 lines	By rule	Ask the agency
Midwest
Ohio	61 lines	Not published	Ask the agency
Indiana	9 lines	Not published	Ask the agency
Illinois	Agency map	Not published	Ask the agency
Michigan	4,369 lines + status	Dec 1 to Mar 31	$65
Wisconsin	13,325 lines	Set locally	Ask the agency
Minnesota	275 lines	Dec 1 to Mar 31	$113.50
Iowa	542 lines	Not published	Ask the agency
Nebraska	Agency map	Set locally	Ask the agency
South Dakota	Agency map	Dec 15 to Mar 31	$10
North Dakota	263 lines	Dec 1 to Apr 1	Ask the agency
Rockies
Montana	Agency map	Not published	$20
Wyoming	555 lines	Not published	Ask the agency
Colorado	1,906 lines	Not published	Ask the agency
Idaho	7,172 lines	Set locally	$45.50
Utah	182 lines	Not published	Ask the agency
West
Washington	1,098 lines	Not published	Ask the agency
Oregon	Agency map	Not published	Ask the agency
Alaska	Agency map	Not published	Ask the agency

Massachusetts, Illinois, Nebraska, South Dakota, Montana, Oregon, Alaska run a trail programme and publish no trail geometry a browser can load, so those pages carry the season dates, permit rules and the authority that holds the map. Montana and Alaska publish layers whose terms do not permit reuse here, and their pages link the agency map directly.

A U.S. Forest Service route marker post numbered 192.1 beside a snow covered forest road, carrying a vertical strip of pictograms showing which uses the route is open to, including a snowmobile — The post on the right is how a federal route tells you what it is. The number is the road, and the strip of pictograms below it is the legal use list, snowmobile included. On national forest ground that post, and not any map, is the authority on whether you may be there. Squaw Pass Road, Colorado. “US Forest Road 192.1 from Squaw Pass Road, snow covered” by Xnatedawgx, CC BY-SA 4.0

Dates

Season dates by state

A hunting season is a legal window set for the whole state. A snowmobile trail opening is usually a decision about whether there is enough base to run a groomer over, and that decision sits wherever the groomer sits. 5 states publish a statewide window; the rest open county by county or club by club.

Published statewide windows, earliest opener first
State	Opens	Closes	Who publishes it
Michigan	December 1	March 31	Michigan Department of Natural Resources
Minnesota	December 1	March 31	Minnesota Department of Natural Resources
North Dakota	December 1	April 1	North Dakota Parks and Recreation Department
South Dakota	December 15	March 31	South Dakota Department of Game, Fish and Parks
Vermont	December 16	April 15	the Vermont Association of Snow Travelers, a nonprofit that runs the statewide trail system

Two of those five carry a condition written into the window itself. North Dakota’s trails run in that window only where there are at least four inches of packed snow, and Vermont’s open on their date only if there is enough snow to open on. Minnesota hedges its own window with the phrase “when snow conditions allow”, and Michigan pairs its dates with a note that grooming happens once there is enough snow on the ground.

Pennsylvania does something no other state does: it publishes a rule rather than a date. Its state forest trails open the day after the last day of the regular or extended rifle deer season, and close on April 1 or earlier if the district forester decides. That makes the snowmobile opening a function of the deer calendar, which is a genuinely odd and rather charming piece of administrative history, and it is why the Pennsylvania page links to the deer season dates.

Permits

Registration and trail passes

States use one of three permit models, and they do not carry across state lines. A rider legal at home can cross a border and need a trail pass that does not exist in their own state, or find that their home registration is not honoured. The state pages name each state’s model and the agency that sells the permit.

Registration plus a separate trail pass

Two things to buy. The registration makes the machine legal; the trail pass funds and licenses the groomed network, and visitors usually need it too.

12 states here: Vermont, Massachusetts, Illinois, Michigan, Wisconsin, Minnesota, Iowa, Nebraska, North Dakota, Montana, Oregon, Utah

Registration only, trail funding folded in

One thing to buy. The state takes its grooming money out of the registration rather than selling a pass on top, so there is nothing else to hunt for at the counter.

10 states here: Maine, New Hampshire, Connecticut, New York, Pennsylvania, Ohio, Indiana, South Dakota, Colorado, Alaska

The permit is the registration

One instrument does both jobs, and it is what gets checked on the trail. Visitors are generally not exempt from it.

3 states here: Wyoming, Washington, Idaho

Fees change between seasons and several states publish them only through the issuing agency. Where a state publishes a current figure, its page lists it with the date it was read; otherwise the page links the agency that sets it. Two figures worth knowing: Michigan’s trail permit rose from $52 to $65 under a statutory five year inflation adjustment, and Minnesota’s trail pass is $50 plus a $1 issuing fee, so $51 at the counter.

Other states

States without a trail programme

25 states run a snowmobile trail programme and have a page here. The states below have no state trail system; riding there is on federal forest land or at private resorts, and the agency to ask is linked.

Rhode Island. Rhode Island requires snowmobile registration under state law but runs no state trail system, so there is no trail network to map or to date. Rhode Island Department of Environmental Management
New Jersey. New Jersey registers snowmobiles through its Motor Vehicle Commission but runs no state trail system. Registration rules and current fees are published by the commission. New Jersey Motor Vehicle Commission
West Virginia. West Virginia runs no state snowmobile trail programme. Riding is on the Monongahela National Forest and at private resorts, and the forest and the resort are the sources for trail information. West Virginia Division of Natural Resources
New Mexico. New Mexico registers snowmobiles under its off-highway vehicle programme but has no state trail system. Riding is on the Carson and Santa Fe National Forests, and the forest is the authority to ask. New Mexico Department of Game and Fish
California. California has high Sierra snowmobiling organised around its Sno-Park system rather than a state trail network, and California State Parks publishes the Sno-Park locations and permit rules. Trail information comes from the national forest for the area you are riding. California Department of Parks and Recreation
Nevada. Nevada covers snowmobiles under its off-highway vehicle registration and puts the money into a grant programme, but runs no state trail system. Riding is on federal land in the Sierra and the Ruby Mountains, and the managing forest is the source for trail information. Nevada Department of Motor Vehicles

19 states have no snowmobile season: Delaware, Maryland, Virginia, North Carolina, South Carolina, Georgia, Florida, Alabama, Tennessee, Kentucky, Mississippi, Louisiana, Arkansas, Texas, Oklahoma, Missouri, Kansas, Arizona, Hawaii.

A long row of snowmobiles parked in front of a line of log cabins under a deep blue sky, with heavily tracked snow filling the foreground — A staging yard on a clear morning, with the snow in front of it churned by a hundred passes. Trail systems are economies as much as they are recreation: the lodging, the fuel and the food along a corridor are usually what pays for a town to care whether the corridor is groomed. “Rangeley Lakes Scenic Byway, Ready to Go” — U.S. Department of Transportation, National Scenic Byways collection, held by the National Archives — Public domain

Plan the rest of the winter

SnowpackWhether there is anything under the machine yet: depth and water content from the measuring networks.Avalanche forecastsThe page that matters the moment you leave a marked corridor for steep ground.Ski seasonThe other winter economy on the same snow, often in the same county.Winter outlookCold, snow and how the season is shaping up where you are.

Snowmobile trail questions

Which states have a snowmobile trail map on this site?

How do I find out whether snowmobile trails are open right now?

Current conditions come from the club, county or state authority that maintains each trail system, and every state page here links that authority. Michigan DNR also publishes an open or closed status per trail segment, shown on the Michigan map. Elsewhere, the club or county report is the source, because trails open and close locally as groomers assess base depth, bridges and landowner permission.

Which state has the most snowmobile trail data?

Do I need a trail pass as well as a registration?

When do snowmobile trails open?

5 states publish a fixed statewide window: Michigan, December 1 to March 31; Minnesota, December 1 to March 31; North Dakota, December 1 to April 1; South Dakota, December 15 to March 31; Vermont, December 16 to April 15. Pennsylvania opens its state forest trails the day after rifle deer season ends. Everywhere else the opening is set by counties or clubs once there is enough base to groom, so the local club is the source for an opening date.

Can I ride in another state on my home registration?

Why do some states have no page here?

Three snowmobiles parked in fog beside a metal hut and a solar array on a rime covered summit, surrounded by stunted spruce buried in snow — The top of a trail on a bad visibility day, with the machines parked at a summit hut. Trail systems climb, and the weather at the top of one is routinely a different weather from the weather at the bottom, which is why riders check the summit forecast as well as the trailhead. “Rangeley Lakes Scenic Byway, Trails End Atop a Snow-capped Mountain” — U.S. Department of Transportation, National Scenic Byways collection, held by the National Archives — Public domain

Trail layers load live from the publishing agency, and each state page names the publisher and the newest date in its data. Season dates and permit figures are read from the agency’s own page and carry the date read. Links verified September 4, 2026. Current trail conditions come from the authority named on each state page.