This is a short trek, which leads from Paro to Thimphu, or vice-versa, crossing the chain of mountains that separates the two valleys which leads from Thimpu to Paro, or vice versa, crossing the chain of mountains that separates the two valleys. Although there is little settlement on this route, there are wonderful lakes teeming with fish and the area is famous for its spectacular rhododendron forests, which bloom in May. In the clear weather of late autumn and winter where are views across to the Himalayas. Although there are very few houses to see, there are wonderful lakes teeming with fish at 4000 meters (13,000 feet) and spectacular rhododendron forest that bloom in the month of May. In winter and in clear weather, there is a magnificent view over the high Himalayas.