Gandhamardan Hills or Gandhamardan Parbat (Odia: ଗନ୍ଧମାର୍ଦନ ପର୍ବତ) is a hill located in between Balangir and Bargarh district of Odisha, India. This hill is well known for medicinal plants. There is a Bauxite reserve which is planned for exploration by the state government through a private venture.Lord Hanuman is believed to reside here and in the in Sri Lanka.