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Biking

Summer mountain biking at Arapahoe Basin

Whether you’re in Colorado for mountain biking or road biking, Arapahoe Basin has the ride for you. A-Basin’s terrain offers incredible views and even better rides. Test your legs and lungs, then kick back with a meal and a cold beverage at the 6th Alley Bar & Grill.

Trail Status: Open daily until we start making snow
Mountain Bike Trail Info

map of mountain biking trails at Arapahoe Basin


Argentine North Fork Trail (ANFT) 

  • Distance: 2 miles (one-way)
  • Ascent: 700 feet
  • Difficulty: Moderate
  • Hiking: Both directions
  • Biking: Both directions for 2021; uphill only in the future

Argentine North Fork is A-Basin’s primary singletrack mountain biking trail. It begins near Mountain Goat Plaza in the base area and ascends to Black Mountain Lodge at mid-mountain. Hikers and bikers will find wildflowers, scenic vistas and crystal-clear streams along the way. Mountain bikers can turn around at mid-mountain or continue climbing to the summit on Upper Summer Road.

NEW! Wheels Up: Bike-only DH trail 

  • Distance: 2 miles (one-way)
  • Descent: 669 feet 
  • Difficulty: Moderate
  • Hiking: Not allowed
  • Biking: Downhill, only

Wheels Up is our featured downhill, bike-only flow trail descending from Black Mountain Lodge to the base area. Full of berms, rollers and optional lines, this playground of a trail was built specifically for bikes. Wheels Up is suitable for intermediate riders (all features can be rolled) and extra-fun for advanced mountain bikers.  Climb the Argentine North Fork Trail to access it.

Summer Road, Upper & Lower

  • Distance: 2.6 miles combined (one-way)
  • Ascent: 1,676 feet total
  • Difficulty: Moderate to difficult 
  • Hiking: Both directions
  • Biking: Both directions

Summer Road is a steep and rocky service road running from top to bottom. The 1.3-mile Upper Summer Road begins at Black Mountain Lodge and takes you well above treeline. It is currently the only way to access the summit at 12,456 feet. Enjoy stunning views of A-Basin, Loveland Pass, multiple 14’ers and our resident mountain goat herd. We recommend using ANFT and Wheels Up on the lower half of the mountain. Please watch for vehicles! 

Pali Road

  • Distance: 0.6 miles (one-way)
  • Difficulty: Difficult
  • Hiking: Both directions
  • Biking: Both directions

Pali Road is a very steep service road that takes hikers and mountain bikers from the Upper Summer Road (just above mid-mountain) to the top of Pallavicini Lift. From there, enjoy dramatic views of The Beavers and Pallavicini ski terrain. 

Mountain Bike Rentals / Bike Haul / eMTBs

We do not offer bike rentals, beginner trails, mountain bike programming or bike haul on our lifts. At this time, e-bikes are NOT allowed on our singletrack trails per U.S. Forest Service regulations. They are also not allowed on the Lenawee Trail. 

Mountain Bike Trails Near A-Basin

Lenawee Trail

lenawee trail colorado

A-Basin is where you start your climb to access the Lenawee Trail, a famous and scenic high-alpine trail ride off our backside. The 3.3-mile, black-diamond Lenawee Trail descends one ridgeline east of A-Basin’s Montezuma Bowl, ending at County Road 260/Peru Creek Road.

Climb our Argentine North Fork Trail to the Upper Summer Road. The trail to access Lenawee heads east from the summit (to the left of the Lenawee Lift). When you finish your wild ride to the bottom, connect to additional trails and dirt road riding, if so desired. Please note Lenawee Trail is outside of our summer operating boundary, meaning mountain patrol services are not available. Be prepared and ride safe!

Lenawee is steep; it’s technical and it requires a shuttle or a big loop with significant time spent pedaling on roads. Arrange your shuttle to come back up to A-Basin to enjoy a cold beverage on the deck of the 6th Alley Bar & Grill.

Road Biking Near A-Basin

Loveland Pass Road

road biking loveland pass colorado

Arapahoe Basin is located just below scenic Loveland Pass. The category 1 climb up to the pass is a must-do for road cyclists, combining a winding 8-mile climb with an exhilarating downhill on the scenic Continental Divide.

Loveland Pass is open to vehicles throughout the year, including tanker trucks, so please use caution on this roadway. You can get to Loveland Pass from the Summit County bike path system and enjoy lunch on the deck of the 6th Alley Bar & Grill at the Basin on your way back home!

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