Mehmandust Tower or Burj-e Mehmandust is a historical tower in Damghan. The date for the construction of the tower, as inscribed on the epigraphic band around the tower, is 1097. The tower has a cylindrical chamber with a slightly protruding entrance portal. The roof is now missing but is thought to have been conical in shape. The entrance is located on the northern side of the chamber.