Day 6: Talakha – Chamgang (6 km, 2 hours)From the Talakha monastery, it is a small descent down to the road that will lead to the village of Chamgang, about 30 minutes drive from Thimpu. So you can keep Thimpu as your base city for this beautiful trek.Best Time for the trek:The best season for the trek is through April to September.How to reach Thimpu:Although Thimpu is the capital city, the only international airport in Bhutan is at Paro, about one and a half hours drive from Thimpu. If you are visiting from India, then you can enter through Phuentsholing by road and then drive to Thimpu.