Skip to main content

A new way to explore Crested Butte’s winter wonderland

Explore 35 miles of groomed trails or multiple backcountry roads around Crested Butte on a fat tire bike. This new mode of winter transportation is a thrilling way to enjoy the snow. Our guides will share techniques to adapt your skills to the snowy terrain. Allow Irwin Guides to plan the perfect fat tire bike excursion for your group.


  • Professional & knowledgeable guide

Photographer Add-on

Let us capture your memories so you can focus on your adventure! A photographer is $675 per trip and based on availability. Please let the Irwin Guide’s office know 48hrs before your trip if you would like to add this to your reservation.


First 2 people


Each Additional Person


Guest to Guide Ratio


Bike Rental Fee

Tour Details

The Trails2

The Trails

35 miles of groomed trails around the Gunnison Valley

Family Friendly2

Family Friendly

Fat Tire Biking is a great way to enjoy the snow with the whole family. With miles of trails to choose from, our guides will plan the perfect trip for your group. 

What to Bring2

What to Bring

Fat tire bike rentals are available at the Alpineer & Big Als – a small backpack, layers, gloves, sunglasses, winter boots, water, and snacks.

Pedal with ease and enjoy the area’s serene surroundings

Click Book Now to get started planning your adventure