YMCA of Greater Nashua is a nonprofit governed by a group of volunteers. It provides services and programs to the Nashua community. The YMCA of Greater Nashua operates three facilities:Nashua YMCA, Merrimack YMCA, and Camp Sargent, a 22-acre day camp on Lake Naticook in Merrimack. It provides services such as child care, youth sports, teen leadership programs, aquatics, dance classes and more.