In the late 19th century, the town began to become known for the curative powers of its mineral springs, and in 1932 Gandersheim received the official right to call itself a spa town, thus Bad Gandersheim, on account of these springs.
19. sajandi lõpus sai linn tuntuks mineraalveeallikate ravivõime poolest ja 1932. aastal sai Gandersheim nende allikate tõttu ametliku õiguse kutsuda end kuurortiks, seega Bad Gandersheim.