Discover the diverse and beautiful landscape in and around Boulder, Colorado and why it's one of the coolest cities in America on this three day hub and spoke gravel bike tour.

The Boulder Colorado Gravel Bike Tour Guide is the perfect way for you to get out and explore Boulder's amazing natural landscapes in a three day hub-and-spoke bike tour.

If you're looking for a unique adventure that will take you off the beaten path, then look no further. So pack a bag, grab your bike and find out all that Boulder has to offer!

Average Daily Distance: 30 miles

Average Daily Elevation Gain: 1640 feet

Terrain: 35% Road (tarmac) / 34% Gravel / 31% Bike paths (concrete)

Recommended Bike Type: Gravel / EBike / Touring / Mountain

Route Type: Hub and spoke (daily loop rides from a fixed location) 

Best Months: June / July / August 

Highlights

• Discover the diverse and beautiful landscapes surrounding Boulder
• Explore the changing terrain from flat to hilly and from dedicated bike paths, smooth tarmac and gravel trails
• Enjoy Boulder's excellent bike friendly infrastructure, rich cultural heritage, great restaurants and shopping
  

Itinerary

Day 1 - Boulder Reservoirs loop | 30 mi

Start off with a gentle ride out to Boulder Reservoir, the biggest lake in the area. 

Day 2  - Western Hills loop | 24 mi 

This ride is shorter but more challenging as you take to the hills out to Flagstaff for some amazing views. 

Day 3  - Louisville loop | 36 mi

Explore the southern area around Boulder on this easy ride out to Marshall Lake and take in the big sky views of the plains. 

Route Map