There is a very big ATV community of both riders and supporters of the sport in the small state of New Hampshire. There are a number of great clubs to check out. Granite ATV Association is the State Association ATV Club, and is considered representative of all ATV and Trail Bike users in the State of New Hampshire. There are 23 clubs within its membership base. They promote continued education and safety as well as fun for all ATV users.
The NHATV (New Hampshire ATV Club) is located in Auburn, NH where some great riding is to be found. They concentrate of safety and environmental issues with ATV riding.
North Country ATV Club has the claim to fame for having the longest lineal trail system with over 100 miles of trails located on over 90 private landowner properties.
The Tri County Off-Highway Recreational Vehicle Club is located in Southwest New Hampshire and have lots of trails and a great group of people. They are big on promoting safety and ethical ATV riding.
If you're an ATV rider in New Hampshire, check out the group near you and join a great group of like-minded folks that love to ride their ATVs as much as you do. Working within a committed group is a great way to keep the trails you love open to ride.