If you're looking for new places to ride your ATV and new people to go riding with your best sources are to find a club local to your region and join them.  Most clubs know of established (and legal) places to ride Quads and ATVs and you get to meet a lot of great people.  Search through this ever expanding directory of ATV Clubs.

Northeast - The Northeast region includes: Maine, Vermont, New Hampshire, Massachusetts, Rhode Island, Connecticut, New York, New Jersey, Pennsylvania, Delaware, District of Columbia, Maryland, West Virginia, and Virginia.

Southeast - The Southeast region includes: Florida, Georgia, Alabama, Mississippi, Tennessee, Arkansas, Louisiana, North Carolina, and South Carolina.

Midwest - The Midwest region includes: Minnesota, Wisconsin, Iowa, Illinois, Missouri, Michigan, Indiana, Ohio, and Kentucky

Northwest - The Northwest region includes: Nebraska, South Dakota, North Dakota, Montana, Wyoming, Idaho, Oregon, Washington

Southwest - The Southwest region includes: Nevada, Utah, Colorado, New Mexico, Kansas, Oklahoma, Arizona, and Texas

California - California has enough clubs to be a page all of its own.

North America and International