This is a nice easy trail that traverses the bottom of the mountain. It's riden to either get to trails or coming back from trails. it starts (or ends) at the Snow Summit Ski Resort parking lot - behind and to the right of the ticket booths (from parking lot). It's popular, and has been a part of XC races for many years.
If you started at the Snow Summit parking lot, you'll end up with a decision to go right or left on 2N08. Going right will take you to the downtown village of Big Bear Lake. Going left will take you up the fire road for more riding opportunities.