Dirty Bear/Dirty Cub Gravel Rides

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DIRTY BEAR / DIRTY CUB GRAVEL RIDES

Tour de Big Bear GravelNeed a little dirt under your tires?  The Tour de Big Bear Dirty Bear and Dirty Cub rides are the answer.  Held the same day as the Tour de Big Bear and utilizing some of the famous Tour de Big Bear aid stations! Plus cash prizes for the Dirty Bear KOM/QOM Challenge!

The Dirty Bear is 50 miles of mixed surface fun on the roads and trails of Big Bear Lake.  The Dirty Cub is a shorter version of the Dirty Bear course with 25 miles of flowy fun! (See Course Description below)

Big Bear Lake is known for its epic gravel riding.  Our scenic fire roads offer breathtaking views of the lake and our world class single track will not disappoint.

Key Features

  • Historic Holcomb Valley – dating back to California’s Gold Rush era
  • Challenging climbs and fast descents
  • Cash prizes for the Dirty Bear Challenge KOM/QOM winners
  • Epic views of Big Bear Lake and the San Gorgonio mountains
  • Fun, flowy singletrack on the Maple Hills trails (Dirty Bear course)
  • Well stocked aid stations in true Tour de Big Bear style (2 – Dirty Cub course / 4 – Dirty Bear course)

Recommended Tires

We suggest Kenda Booster PRO as a great tire to roll up here. What ever you roll make it 40C+, tough sidewalls, low pressures and tubeless

No E-Bikes in the Gravel Events

E-bikes are allowed in the Tour de Big Bear road events only.  E-bikes will not be allowed in the Dirty Bear or Dirty Cub gravel events due to Forest Service restrictions on use of e-bikes on single track trails.

2025 Tour de Big Bear Jersey

Tour de Big Bear 2025 Cycling Jersey

Purchase your jersey online at Athlos.com or add it on to your registration at Active.com.

  • Entry to one of the California’s Top Gravel Rides
  • Timed ride
  • High Quality “Technical Performance Shirt”
  • Our fully staffed, legendary Aid Stations stocked with amazing food
  • Full SAG, first aid and mechanical support
  • Unique finisher’s medal to celebrate your achievement
  • Awards for winners of the Dirty Bear Challenge READ MORE
  • Two day Cycling Expo filled with entertainment and fun family activities READ MORE
  • Opt-in for the Saturday morning family fun ride, perfect for all ages

Tour de Big Bear Golden Bear VIP Pass

Upgrade your Tour de Big Bear experience effortlessly with the Golden Bear Pass. This VIP Package transforms your adventure into a seamless and enjoyable memory. Start your day stress-free with reserved parking, letting you focus on the thrilling ride ahead. Click Here for More Information and How to Purchase.

Dirty Bear and Dirty Cub Routes

Routes can be subject to change due to conditions beyond our control.

Click here for individual ride start times

Course Description

Epic Gravel Courses

There will be a neutral roll out across Big Bear Lake (Stanfield Cutoff) for the first four miles of the course where you’re then released to cruise at your own pace.

Historic Holcomb Valley (Dirty Bear and Dirty Cub Courses)

Your first climb brings you to the historic Holcomb Valley.  Stop and enjoy your first aid station and the views of Holcomb Valley dating back to the Gold Rush era of Southern California.

After the aid station, riders will continue west on Holcomb Valley road for about one mile. This is where the two courses split.  Dirty Cub riders will veer off to the left onto Polique Canyon road where they’ll make their way down to North Shore road and back to the finish line at Bear Mountain Resort.

Dirty Bear riders will go west towards Big Pine Flats via Holcomb Valley road, taking them to the second highest point of the course (7600′ elevation) where your views will change from tall pines to sage and brush.

Big Pine Flats to the Dirty Bear Challenge KOM/QOM

Big Pine Flats is the most westerly point of the course. You’ll turn left from Big Pine Flats and head back toward Big Bear lake on a downhill run to Little Bear Springs, the lowest point of the course.  You’ll find the second aid station here.  Fuel up here in preparation for the Dirty Bear Challenge climb.

The Dirty Bear Challenge KOM/QOM climb begins from this low point in the course (6500′ elevation) and climbs to the highest point (over 7700′ elevation). The Dirty Bear Challenge spans five miles with 1200′ feet of climbing and an average grade of 4.6%.   The KOM/QOM section will take you past Hanna Flats then turning you up Delamar Mountain Road where you’ll find the best view of Big Bear Lake and the San Gorgonio mountains.  You’ll be exhausted by the challenge but amazed by the views!

Maple Hills Trails Singletrack

You’ll round out your tour of the north side of Big Bear Lake by dropping down Polique Canyon to the North Shore.  Once you hit the pavement, you’ll go past the third aid station at the North Shore School.  Continuing east, you’ll be guided to the Maple Hill trails.   The Maple Hills trails offer fun, flowy single track that starts with a downhill run.  You’ll find the fourth and final aid station at the bottom. You’ll climb back up through the trails and end your gravel adventure with the final climb to the finish at Bear Mountain.