This is an excellent short trek for the nature lovers and amateur botanists. It includes the delightful Nyima La and the lushy forested Rong valley. The route begins in Pei, a small village that is also the staging post of the treks to the great bend of the Tsangpo via Pelma Kochung and to Metog. Here a ferry crosses to Timple on the north bank of the river, site of revered Guru Rinpoche cave and monastery. A splendid trail leads north to the Nyima La through some of the finest virgin forests and flowers gardens in southeastern Tibet. The idyllic walk passes a nomad camp and groves of flowering rhododendrons along the way. Many plant species abound on the open moorlands near the pass. From the pass there are tremendous views of the Assam Himalayas, including nearby Gyala Pelri and Namche Barwa. On the far side of the Nyima La is the Rong valley, a heavily forested scenic valley that is luxuriantly carpeted with primulus and violet irises from May to July. The best time for this trek is from May to October. Gokyo Treks has several tour packages in / for Tibet. Please choose one of them.