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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. Earn your turns! We do not offer lift-service for bikes.

TRAIL STATUS:  CLOSED. Bridges have been pulled and it's time to start making snow! Thanks for a great summer.


arapahoe basin summer mountain biking map


Mountain Bike Trail Info

arapahoe basin mountain biking


Beavers Loop Trail (NEW! bikes only)

  • Distance: 3.2 miles. Connect to Wheels Up for a 5-mile descent. Distances are approximate at this time.
  • Descent: 1,000 feet
  • Difficulty: Moderate with rock features, optional lines, exposure, narrow trail
  • Hiking: Not allowed
  • Biking: One-way (downhill)
  • Start point: Adjacent the top terminal of The Beavers Lift (about 12,500'). When you get to the summit, hang a right and head past the patrol/restaurant building to find the start of the trail. 

Do you love the Lenawee Trail off our backside? You'll love The Beavers Loop. This new trail, built in partnership with IMBA Trail Solutions, is a bike-only, directional descent from our summit to mid-mountain, and on to the base area when you connect with Wheels Up. Designed to offer a high-alpine, backcountry-style ride, it is not a DH jump trail. It is also not lift-served, and requires a steep climb to our summit on Argentine North Fork and the Upper Summer Road (climbing singletrack trail to be built summer 2023). 

Argentine North Fork Trail (ANFT) 

  • Distance: 2 miles (one-way)
  • Ascent: 700 feet
  • Difficulty: Moderate
  • Hiking: Both directions
  • Biking: Uphill, only
  • Start point: Base area near the aerial adventure park and Molly Hogan Lift

Argentine North Fork is A-Basin’s primary singletrack 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 descend Wheels Up from mid-mountain for a 4-mile loop or continue climbing to the summit on Upper Summer Road to connect with The Beavers Loop Trail. Please do not descend ANFT.

Wheels Up Trail (bikes, only)

  • Distance: 2 miles (one-way)
  • Descent: 669 feet 
  • Difficulty: Moderate
  • Hiking: Not allowed
  • Biking: Downhill, only
  • Start Point: Mid-mountain, adjacent the Black Mountain Express Lift top terminal

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. Bring your bike and earn your turns! 

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 arapahoe basin

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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