Mountain Bike Mountain Bike Trail

Where are some beginner to intermediate mountain bike trails near Sacramento, CA?
Looking for a site (free) or a link to some mapping sites for some beginner to intermediate mountain bike trails near Sacramento, CA preferable within 30 minutes and doesn’t require a park entrance fee.
Some sites for you to check out, links attached:
1. MTBR.com. You can read about how easy/tough/technical each trail is, plus get additional information. http://trails.mtbr.com/cat/united-states-trails/california-trails/california-all-other-areas/PLS_4518crx.aspx
2. Trails.com. You can get some info for free, fuller information requires signing up. http://www.trails.com/stateactivity.aspx?area=12491
Also, go have a talk with the staff at some of your local bike shops that sell mountain bikes. They often have knowledge of good rides and will share that information with you. Some shops will sponsor group rides on weekends, which is a great way to meet fellow bikers and to have some support as you build your skills.
Santos (Florida) Mountain Biking Mtb Trails

