This trek of Phopjikha valley at 3,000m is one of the few glacial valleys in Bhutan. It is chosen home of the rare Black Necked Cranes which migrate here in winter the Tibetan plateau. Gangtey is one of the most beautiful places and the Gangtey Gompa is the only Nyingmapa monastery on the western side of the black mountains. This moderate trek visits the villages of Gogona and Khotokha, passing through meadows, fields, forests of Juniper, magnolia and rhododendrons. Considered as one of the finest low level treks.