While not a location or club, this is a great group that holds 3D Shoots throughout the year at different clubs in New Hampshire and Massachusetts.
Click on the logo to got o their website
98 Old Kings Rd, Merrimack
An Archery only Club. They have an outdoor practice area and a 3D Course. They host several 3D Shoots each year and are part of the Granite State Bow Hunters 3D Archery Circuit.