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Mammoth Bar OHV Area

Mammoth Bar OHV Temporary Closure

Mammoth Bar OHV area is closed until further notice due to storm damage from winter 2017. The Middle Fork of the American River flooded several times and washed away part of the motocross track.  We are currently working with the Off-Highway Motor Vehicle Recreation Division to evaluate rebuilding the track. The trails also sustained storm damage and are closed as a result.  We will begin reopening the trails when it is possible to do so.  We appreciate your patience at this time. This webpage will be updated as conditions change. For the most up to date infomation call (530) 885-4527.

Rider ImagePLEASE NOTE:   Mammoth Bar motorcross track reopened in August of 2007 after a lengthy process to complete all the environmental paperwork necessary to rebuild the track.

Mammoth Bar OHV Area is part of the Auburn State Recreation Area. It is located in the Sierra Nevada foothills about thirty miles northeast of Sacramento. This motorcycle/ATV riding area has been used by off road enthusiasts for nearly 25-years and offers a wide range of trails and conditions in a beautiful setting next to the Middle Fork of the American River. The area is under the jurisdiction of the Bureau of Reclamation and is operated by California State Parks. Some OHV motorcycle/ATV trails are open for two-way traffic and others are one way only. OHV's are restricted to designated signed trails, to the MX tracks and the PIT (Pacific International Trials) areas.

*Mammoth Bar is open 7 days a week,  OHV use is permitted only on specific days. OHV Ride Days are as follows;

April 1st-September 30th  Sunday, Monday, and Thursday
October 1st-March 31st Sunday, Monday, Thursday, and Friday


The entrance to Mammoth Bar is located on Old Foresthill Road.  The easiest access is off of Interstate 80 north of Auburn. Take the Foresthill exit off I-80 and go east about 2.5 miles to the Old Foresthill Road.  Turn right on Old Foresthill and the entrance is about 1.5 miles on the left.

All OHV use is regulated by both Federal and State laws. OHV's must have a visible ("Green Sticker" OHV registration) Red stickers are allowed all year round.

All OHV's must have a US Forest Service approved spark arrester in working condition and meet Federal and State noise standards (96 decibels maximum).

It is the rider's responsibility to know and comply with all applicable rules and regulations.

Facilities include picnic tables, BBQ's, Chemical toilets. No drinking water.

Mammoth Bar trail maps are available at the park office and kiosk.