This trek takes about 2 weeks goes  from Paro valley at 2200m up to the high Laya region at 4000m [over 13000feet]and low to Punakha valley at 1300m[4,265feet]where yak- herders live at the foot of Mount Massagang at 7200m [23,620feets] the route pass by Paro valley and reach to Mount Jumolhari 7314m [24,000feets]and through different levels of vegetation before reaching the village of Laya, Where the women wear black yak-hair costumes and strange, conical bamboo hats. This trek combines a variety of lands capes, village and beautiful views of the peaks. It can be done in September, October and November