The Promenade rings around the Munjoy Hill neighborhood and occupies the farthest eastern portion of Portland's peninsula.

[5][6][7] The park is home to an American Civil War monument in the form of a granite bench dedicated in 1929.

[8] Fort Allen Park is also the home of the mast of USS Portland, a heavy cruiser commissioned by the United States Navy in 1933.

[9] Portland was the only United States ship to participate in all four Pacific aircraft carrier battles of 1942: Coral Sea in May, Midway in June, Eastern Solomons in August, and Santa Cruz Islands in October.

[10] In December 1812, following the Battle of Queenston Heights during the War of 1812, HMS Regulus, a British ship, docked under a truce flag in Portland's harbor en route from Quebec to Boston, Massachusetts, due to the presence of fever, malnutrition and dysentery among the American prisoners of war on board.