Gasa Dzong :

Gasa Tashi Thongmoen Dzong or Gasa Dzong 

The fortress of Gasa (Gasa Dzong), locally known as Tashi Thongmoen Dzong, stands tall on a hillock surrounded by towering mountain peaks. The fortress served as defending barrack in the 17th century. The fortress’s architecture is unique with a semi-circular arch and three watchtowers the at are places at strategic points. The beauty of the Dzong is heightened during clear days with a view of Mt. Gangbom at the backdrop.