The journey from Bumthang to Mongar, crossing over the 4,000m high Thrumsing-la pass, is scenically spectacular. Mongar marks the beginning of eastern Bhutan. The second largest town in the subtropical east, Mongar is built high on a gently sloping hillside.
Although built in the 1930s and one of Bhutan’s newest dzongs, it is constructed in the same way as all earlier dzongs, without plans or nails. A visit to Mongar Dzong shows one how traditional Bhutanese architecture has continued to thrive through the centuries.