Mount Baldy is located in San Bernardino County, on Mount San Antonio (aka Mount Baldy), California, USA. The city is located only 45 mi/72.4 km from Los Angeles.
Mount Baldy is perfect for mountain biking freeride. It is an out and back round trip, up and down Mount Baldy about 9.6 mi/15.45 km long. The first 3.6 mi/5.7 km respond to a moderately steep rise of 1600 ft/487.7 m to the Baldy Notch. After a steep climb of 685 ft/208.8 m of over 1.2 mi/1.9 km, you will get close to the top of Thunder Mountain.
The first 1.5 mi/2.4 km is an one land paved road. Then it changes to a hard packed, four wheel drive road in rather good condition, that has some rocky sections. You must have moderate skills and a lot of strength. After arriving on the summit of Thunder Mountain, you can enjoy the breathtaking view of the surrounding mountain valleys.
Elevation gain of the route is 2285 ft/696.5 m. Skill level is regarding aerobic difficult and as for technical, moderately difficult. Trailhead elevation is 6200 ft/1890 m and top elevation 8485 ft/2586 m. Best season is late spring through fall. It is suggested to have the appropriate maps with you like USGS Mount San Antonio and Telegraph Peak. Local Contacts are Angeles National Forest and San Gabriel River Ranger District.