View from highway - Photo Lancaster, highway welcome sign Welcome to community of Lancaster, New Hampshire. Access to communities of Lunenburg, New Hampshire and Concord, New Hampshire - West of highway. From oceanside RV campgrounds and full-service sites with river or mountain views, to rustic spots tucked by remote lakes in the Great North Woods, New Hampshire offers incredible variety for campers. You can choose a family-friendly or rv-friendly campground near your favorite attraction, a backcountry tent site or cabin in the White Mountain National Forest, or a lakeside campground