# Thunderhill East map and the 25 Hours Thunderhill Raceway Park's East course, near Willows, California, is 2.866 miles with 16 turns. The park is about 7 miles west of Willows, in the Sacramento Valley. It hosted the 25 Hours of Thunderhill from 1998 to 2023. ## Facts - Location: Near Willows, California. 5250 Hwy 162, Willows, CA 95988. - Opened: October 1993. - Length: 2.866 mi (4.612 km) on the East course. - Turns: 16 on the East course. - Other configurations: Thunderhill West is 2.000 miles with 10 turns. - Past races: The 25 Hours of Thunderhill ran from 1998 to 2023. - Official site: thunderhill.com - Sticker: A single is $6.99 and a five-pack is $32.99. ## Questions ### How long is Thunderhill? 2.866 miles (4.612 km) on the East course, the layout on the sticker. ### How many turns does Thunderhill have? 16 turns on the East course. Thunderhill West has 10. ### Can I drive my own car at Thunderhill? Yes. Thunderhill's FAQ says to register with a current track group if you want to get on track yourself. ### When did Thunderhill open? October 1993. ### Where is Thunderhill? 5250 Hwy 162, Willows, California 95988. ### When did the 25 Hours of Thunderhill run? From 1998 to 2023. ### What are the named corners at Thunderhill? The Cyclone is the named corner. The late 1997 expansion added a bypass for it. ## The tracks Thunderhill has two circuits. Thunderhill East is the original track, 2.866 miles long with 16 turns. Thunderhill West is 2 miles. The two can be combined into one longer layout. Our Thunderhill outline is the East course, checked against the Wikimedia Commons map and the track's own map. This is the layout on [the Thunderhill outline sticker](https://www.trackoutline.com/tracks/thunderhill-raceway-park). ## History The San Francisco Region of the SCCA owns the park. In late 1997 the track grew to the current East layout, adding six turns and a bypass for the Cyclone corner. Thunderhill West was built in 2014. ## The Thunderhill sticker [See the Thunderhill sticker](https://www.trackoutline.com/tracks/thunderhill-raceway-park) One sticker is about $12.28 with US shipping. The five-pack ships free, $6.60 a sticker. - 4 inch single: https://291rxa-mt.myshopify.com/cart/67705141788971:1?utm_source=trackoutline&utm_medium=site&utm_campaign=buy&utm_content=thunderhill-raceway-park-single&attributes%5B_to_fp%5D=to-067-agent-md-cart-attr-20261030&attributes%5B_to_ref%5D=agent-md.guides.thunderhill-raceway-park - Five-pack: https://291rxa-mt.myshopify.com/cart/67705144312107:1?utm_source=trackoutline&utm_medium=site&utm_campaign=buy&utm_content=thunderhill-raceway-park-5pack&attributes%5B_to_fp%5D=to-067-agent-md-cart-attr-20261030&attributes%5B_to_ref%5D=agent-md.guides.thunderhill-raceway-park ## Nearby and similar tracks - [Buttonwillow track guide](https://www.trackoutline.com/guides/buttonwillow-raceway-park): Buttonwillow, CA · 2.68 mi - [Sonoma track guide](https://www.trackoutline.com/guides/sonoma-raceway): Sonoma, CA · 2.52 mi - [COTA track guide](https://www.trackoutline.com/guides/circuit-of-the-americas): Austin, TX · 3.426 mi [Compare all 20 US road courses](https://www.trackoutline.com/guides/us-road-courses-compared) ## Sources - [Wikipedia: Thunderhill Raceway Park](https://en.wikipedia.org/wiki/Thunderhill_Raceway_Park) - [Wikimedia Commons circuit map](https://commons.wikimedia.org/wiki/File:Thunderhill_Raceway_Park.svg) - [Thunderhill track maps](https://thunderhill.com/track-info/track-maps) - [Thunderhill Raceway Park](https://www.thunderhill.com/) - [Thunderhill location](https://thunderhill.com/about/location) - [TrackOutline price](https://www.trackoutline.com/tracks/thunderhill-raceway-park) - [Thunderhill FAQ](https://thunderhill.com/track-info/faqs) - [Wikidata](https://www.wikidata.org/wiki/Q7799154) - HTML: https://www.trackoutline.com/guides/thunderhill-raceway-park - Track page: https://www.trackoutline.com/tracks/thunderhill-raceway-park - Markdown: https://www.trackoutline.com/guides/thunderhill-raceway-park.md