Mongar to Tashigang is about 100km. The road crosses Kori La (2450m), descends to a bridge over the Sheri River (750m) and transitory through an open valley arrives at Tashigang.
This is a large town with a middle climate and easy-going joyful people. It is also the HQ of a few international improvement projects, and many Western faces can be seen among the most olden people of the high Himalaya. Standing on a hill spur, Tashigang Dzong was built in 1659 and has many temples.