Welcome to Grantham, NH
, Grantham is conveniently accessed by located off exit 13 on I-89. Being a short distance to Lebanon and Concord we are a small rural town that is rapidly growing. Located along the Sugar River and surrounded by beautiful mountains and preserved land. Grantham contains 27.2 square miles of land area and 0.9 square miles of inland water area.
Grantham was named for Thomas Robinson, first Baron of Grantham, an active supporter of American independence. .