Entry and service fees are charged at most national parks and national historic sites, where revenues are kept to support visitor services and facilities. This means that every time you visit a park or site, you are investing in its future - and in a legacy for future generations.
For information about the Halifax Citadel's current admission and programming fees, please refer to Parks Canada's website at https://www.pc.gc.ca/en/lhn-nhs/ns/halifax/visit/tarifs-fees.