(Fortress on a Heap of Jewels) Located at the left bank of Paro River overlooking Paro Valley. Every year, a great annual festival, called the tshechu is held at the dzong and it is one of the important tshechus in the country. Visiting Bhutan for a short time? It is best to visit during the Paro Tshechu held at the Rinpung dzong, and its this time that you can experience Bhutan at its full glory.