Near Alturas in the Modoc National Forest, the Devils Garden Mountain route is a very versatile bike route for the beginner through the advanced mountain bike rider. It is made up of 3 miles of gravel and 2.3 miles of flat dirt roads. For the advanced, this offers steep grades and graveled roads. For the beginner, the dirt trails of the flats go through juniper woodlands. On your way to this bike route, you go by portions of the Lassen Emigrant Trail. The unique geologic formations and colors of the West Rock Creek Canyon and the scenic views of West Rock Creek make this a spectacular part of the mountain bike ride. Coming down from Devils Garden, you get a grand view of the valley and of the Warner Mountains. Throughout the year, you will see eagles, prairie falcons and red tail hawks. From late fall to early spring, there is an abundance of wildlife viewing opportunities.
Overall, Devils Garden Mountain is the 97th most popular mountain bike trail of all 132 mountain biking in California.