Today after breakfast we will drive to Dirang195kms/09 hrs drive, enroute you can stop at TIPPI Orchid Research Centre at Upper Bhalukpongon. Reach Dirangand if time permits we will visit DirangDzongandMonpa village. Overnight in Dirang. DirangDzong: Dirang is a popular tourist spot, situated between Bomdila and Tawang. It is home to the Monpa tribes and is significant because of the DirangDzong or Dirang fort. It was built in the 17th century to ward off invasions of the neighboring states. During Vietnam war, it used as a jail. During world war, this fort was used as a shelter. Monpa tribes live in this fort now days, have a unique life style, said to have also have Vietnam descendants among the dzong dwellers.