

Almost the whole course can be seen from the pit area, which is good since there are presently no access roads surrounding the course. There are elevation changes, but the overall change is small at around 15-20 feet. The course is in the low foothills and is laid out following the terrain. Track Specifics: Thunderhill as the AFM runs it is approximately 3 miles long, in a counter-clockwise direction. At Willows, take the Hwy 162 exit and head west for about 7 miles until you reach the Thunderhill gate which will be on your right. Other points of interest in the area are numerous wineries - as Sonoma Raceway is near the heart of California Wine Country.Īddress: 5250 Hwy 162, Willows California 95988įrom wherever you are: make your way to I-5 and head north or south (as is appropriate) towards Willows. Petaluma, Vallejo and San Rafael have the closest motorcycle shops. Local Accommodations and Resources: There are many motels to choose from in Novato, Petaluma, Vallejo, Sonoma, as well as a number of restaurants, grocery stores, parts stores, and malls. The roadcourse has only two straight sections of any length, giving few places for riders to relax. The steepest portions of the track are at a 15% grade and numerous pedestrian bridges cross the track to allow spectators to easily access all turns. The roadcourse follows the terrain to give numerous elevation changes and "blind turns". The track itself includes a multi-configurable ~2.51 mile roadcourse and 1/4 mile drag strip. Track Specifics: The AFM configuration for Sonoma is about 2.3 miles long, in a clockwise direction. Track is one-quarter mile up on the left. Track is one-quarter mile up on the left.įrom Ukiah, Santa Rosa and Petaluma Areas: Take Highway 101 south to the Highway 116 east exit in Petaluma. Take Highway 37 eastbound toward Vallejo. Track is one-quarter mile up on the left.įrom San Francisco: Cross the Golden Gate Bridge to Highway 101 north. Take Highway 37 westbound towards Novato and Sonoma. Track is one-quarter mile up on the left.įrom Reno, Sacramento and Fairfield Areas: Take I-80 west from Sacramento to Vallejo. Proceed north on 101 to the Highway 37 junction. Follow to the I-580 west exit for the Richmond/San Rafael bridge towards Highway 101. Track is one-quarter mile up on the left.įrom Los Angeles, Fresno and Stockton Areas: Take I-580 westbound through Dublin and Castro Valley into Oakland where I-580 will merge with 80 eastbound. Bakersfield has the closest auto parts stores and motorcycle shops.Īddress: 29355 Arnold Drive, Sonoma, California 95476įrom Alameda and Contra Costa Counties: Take I-580 west to I-80 east to I-580 west again toward the Richmond/San Rafael Bridge. 58), as well as restaurants, and gas stations. Local Accommodations and Resources: There are a number of motels to choose from in Bakersfield, and off I-5 (at interchanges of Lerdo Highway, Stockdale Highway, Hwy. Almost the whole course can be seen from the pit area, which is well laid out and with excellent facilities. The overall elevation changes are small at around 10-15 feet. The course is in the flat cotton-fields but has some man-made elevation changes to make things more interesting and challenging. The AFM runs clockwise, using what Buttonwillow calls the #13 configuration. Track Specifics: Buttonwillow is multi-configurational, with the longest track (Big Track) being ~3.0 miles. General Directions: Buttonwillow is located 1/2 mile west of Interstate 5 on Lerdo Highway, which is about 10 miles north of the I-5 Buttonwillow/Highway 58 interchange (about 28 miles from Bakersfield, 196 miles from San Jose, and 126 miles from Los Angeles) Address: 24551 Lerdo Hwy, Buttonwillow CA 9320
