[1] A pink granite memorial dedicated to the memory of Canadians who had enlisted in Ottawa for service with the Canadian Army Special Force and members of Canada's Regular Forces who made the supreme sacrifice during the War in Korea was moved to its current location in Veterans' Grove in 1998.

[2] The modern wing, which serves as the main section of City Hall, was designed by Raymond Moriyama[3] and built in 1990 as the headquarters of the former Regional Municipality of Ottawa-Carleton.

The architecturally acclaimed John G. Diefenbaker Building, located to the east of downtown, was subsequently sold to the federal government.

South of the courthouse on Elgin Street stands the old Ottawa Normal School, built in 1875, and which now serves as the "Heritage Building" section of City Hall.

It also features outdoor speakers, picnic tables, a changing hut, skate rental concession and a BeaverTails trailer.