Fat Biking

Winter Lift-Served, Downhill Fat Tire Biking

Spirit Mountain introduced winter lift-served, downhill fat tire biking to our operations during the 2015/2016 winter season.  With great success and a heck of a lot of fun, we will continue lift-access fat biking during the 2017/2018 winter.  Thanks to the volunteers from COGGS and our Bike Park Crew for keeping the trails dialed-in all year long....enjoy! 

Begins:  2018 - every Sunday 10am-4pm.  We kicked things off on Jan. 7, 2018 *Typically, we roll Sunday's from early-January through mid-March, weather & trail condition permitting. 

Hours:  10am-4pm

Cost:  Regular lift ticket price of $55 or a winter season pass


  • minimum tire width 3" - during certain weather or trail conditions the tire width will greatly affect the ride or the trails.  On days with new snow or warmer temperatures we recommend no less than a 3.5" tire.
  • brakes for each wheel
  • helmet
  • a seat/seat post and overall bike inspection is required prior to allowing any bike on a chairlift.  Inspection performed by Spirit Mountain staff
  • must abide by the Mountain Bike Responsibility Code, Rules of the Trail and Trail Code = SAFETY INFORMATION

Trails Open: see snow report

Please Note: on our integrated ski slopes, skiers & snowboarders have the right of way...bikers must yield to skiers & snowboarders while on the slopes.


Trail Head & Parking:  All fat biking operations roll through our Grand Avenue Chalet.  This includes lift tickets, mandatory bike check, etc.  Grand Avenue Chalet is located at 8551 Grand Avenue, Duluth MN

Bike Rentals:  Visit our friends at Continental Ski & Bike for all Fat Bike Rentals.   RESERVE ONLINE NOW!--   Please note:unlike in summer operations, our fat bike rentals are not located on site.  You must reserve in advance and make arrangements with Continental for pick up and drop off

Don't take our word for it...check out other media write-ups!  






Frosted Fatty January 20 - 21, 2018


Join Spirit Mountain, Columbia Sportswear and Frost River, in this third year of winter downhill fat bike racing at Spirit Mountain. The Frosted Fatty is growing even “fatter” this year.  The Fat Bike celebration at the regions only lift-access fat bike ski area continues with a two-day Bike Festival. Experience bike demos, food, beverage, music and more!  

Races to include Fat Bike XC, Staged Downhill and Head to Head Dual Slalom, where bikers, skiers and snowboarders race it out for a $500 cash prize!! 

Male and Female categories for each race, XC and DH.   Head to Head Dual Slalom will name one winner as the "King of the Hill!"


Featuring over $5000 in CASH and PRIZES! 


Frosted Fatty Weekend Schedule:


Saturday - January 20, 2018

Cross Country Race - 9a race start

Registration & Check In opens @ 7:30am at the start/finish area

    • The Long course will cover 17 miles with 2000' of elevation gain
    • Short Course will be 9 miles
    • Start and Finish will be located in the overflow lot across from the main Spirit Mountain entrance

Down Hill Race -  1pm race start

Registration & Check In opens @ 10:00am in the Moosehead

    • 2 stages will be raced that will challenge the experts but remain accessible for intermediate riders
    • The trails used are conditions dependent, we will look to use Calculated Risk and Juggler Joe

Dual Slalom - 4pm Biker v. Skier v. Boarder start

                       1pm - Skier and Boarder brackets begin

Registration begins @ 10:00am in the Moosehead

    • Head to Head Slalom Race - time to be determined but planning around 6pm under the lights! Winner takes all, $500 CASH!  We are pairing up skiers, snowboarders and bikers for a winner takes all event!  
    • Skiers and snowboarders will begin racing at 1pm.
    • Bracketed format will narrow the field of skiers and snowboarders to compete in the all discipline head to head race at 4pm
    • Winners of all disciplines will be named and will receive a prize

Silent Auction - 1pm - 7pm Fundraiser supporting the All Weather Trail

  • Place your bid on many quality items and packages
  • Wide variety from biking products to skiing and boarding products to weekend packages and more
  • Silent Auction will be from 1p to 7pm
  • All items must be picked up and paid for night of

Loose in the Moose After Party

  • Live music and Good Times!  - Moosehead Saloon in Main Chalet.


Sunday - January 21, 2018

Spirit Mountain Fat Bike Sunday - 10a - 4p

  • Fat Bike Demos available beginning at 10am provided by Continental Ski & Bike
  • Join us for our Down Hill, Lift Served Fat Biking.  Utilizing our mountain bike trails as well as a couple of our ski slopes as well.  Discounted ticket available for Sunday for all participants of $25
  • Fat Bike Sunday is open to the public as normal

Frost River Factory Tours - 10a - 6p

  • Stop by the Frost River factory to see firsthand the home quality craftsmanship

         1910 W. Superior St. Duluth, MN 55806


Pre-Registration Rates: these rates are effective until January 18, 2017.  All rates increase $10 for day of registration.  All registrations are non-refundable except in the event that the races do not happen.  



  • Cross Country Race Only = $39
  • DH Race Only = $39
  • Slalom Head to Head Race Only = $10
  • All Events = $75





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