The Groton Monument, sometimes called the Fort Griswold Monument is a granite monument in Groton, Connecticut.
It is dedicated to the defenders who fell during the Battle of Groton Heights on September 6, 1781. Built between 1826 and 1830, the Monument stands 135 feet tall with 166 steps. The adjacent Monument House Museum features exhibits about the Revolutionary War and is operated by the Daughters of the American Revolution. Visitors can climb the monument and visit the museum from Memorial Day through Labor Day.