The biological expedition team to the environ of Hponkan Razi region left Wangmung Camp-2 on the 31^st January 2002. The team members proceeded to the up stream of Wangmung in a cold weather. They observed bamboos and trees thickly growing along their way. They arrived at Wangmung Camp-3 at 1 p.m. and stopped over for the night.

On the following day, 1^st February 2002, they left the camp for their last camp of Wangmung Camp-4. They went up the stream of Wangmung by walking on rocks and steep cliffs with difficulty as they slowly approached the ice-capped mountains.

The team members took a brief stopover on the way and then proceeded the journey where they could see the snow-capped mountain clearly. The expedition team was moving on a height of 5,000 ft. The team members tracked around the 400 ft high bank of a waterfall on the way where the situation of the forest type significantly changed..

On arrival at Wangmung Camp-4, they prepared for pitching a camp there. The encampment locates at a height of 7,350 ft where only pines and rhododendron are growing.

After a stopover for the night at the camp, they climbed onto the snow capped mountains on the 2^nd February 2002. Due to severe cold, all of the trees have shed their leaves and there were only dry branches on the trees. The ground was covered with ice and no more orchids could be seen growing on the trees.

During the expedition team’s encampment at Wangmung Camp-4 from the 2^nd to 4^th February 2002, they put on record the findings on birds, mammals, orchids and forests. The biological expedition team members descended from the camp-4 and turned back on the 5^th February 2002.
They set out their expedition with objectives to study the natural forests and possibilities for long-term conservation of them in the important catchment area of the Maykha and Maylikha River, the origin of the Ayeyawady River, to observe mammals, orchids, birds, the tradition of the national races and the socio-economy of the region, to provide assistance to the eco-tourism of the significant region and to help drawing a management plan of Hponkan Razi sanctuary based on their findings. The expedition team returned to Ziadan village leaving Wangmung Camp-4 and other camps behind.

On their arrival at Ziadan village on the 8^th February 2002, they held a dinner for those who assisted them on their expedition. There was also a joyful entertainment with a variety of dances performed by Rawan and Lisu national races.