Prospect Hill Monument

The lower deck, outside of the first floor is open to the public and offers a panoramic view of Boston, Somerville, and Cambridge.

[citation needed] There is a tradition of annual flag-raising ceremonies involving American Revolutionary War reenactors that are held at Prospect Hill on New Year's Day.

[2] Prospect Hill was the location of George Washington's command post and rebel fortifications during the Siege of Boston in the American Revolution.

[3] The plaque states that: From this aminence on January 1, 1776 The flag of the United Colonies Bearing thirteen stripes and the crosses of Saint George and Saint Andrew First waved defiance to a foe.

On New Year's Day in 1776, Washington conducted a flag-raising ceremony to raise the morale of the men of the Continental Army.