Dagtse-Iso was said to be to the N. 45° E. from the camp, and could be reached in two days on horseback. To the N. 2 8° E. , a region called Murtsang with a lonely tent, was visible. Below this region, were the extensive ice-sheets mentioned above and shown on the map. The northern mountains are coloured in reddish, pink, yellowish, violet or light greyish tints; these colours being most pronounced where the rock is solid, and more undecided in the screes and fans. One has to deal with several parallel ridges and flat peaks. Lowest down, there are hills of débris, above them small ridges pierced by transverse valleys, and above this, a very irregular and deformed system the main range of which culminates in Keva. This range is thus the water-parting between Bogtsang-Isangpo and the Kunglung plain, and between the Dagtse-Iso and Kung-/so. The range bounding our latitudinal valley to the south, had been continuous all the way from the valley of Ngosang, but I could not tell how far it continues to the west. In the east it seems soon to come to an end. At Camp XCI we were only a two days' march south of my route of i 90I .
Our remaining road to Ngangtse-tso was now said to pass by Nadsum, Sumju, Shala, Gurnzo, Chugo and Kernar, or six days distance. Some of the names were never found, but the distance calculated according to the speed of yaks, was correct. The district Kemar was not found here, though it may be situated at the western or S. W. shore of Ng=angise-tso. I had spoken of the desirability of staying for some weeks of the coldest time at some favourable place, and the Tibetans had proposed Kemar. But now they said it would be much better to continue to Kovo, a village with stone huts and cultivated ground, where everything could be obtained at very moderate prices. On horseback, Kovo would be 5 days from Kemar, but we would need 9 days with our yaks. By taking this road, we would have to camp at the following places reckoned from Kemar : Natamchen, Gyangtse, Kuramti, Dopcha, Tingdang, a high pass, and Dorsang-, Kamso-tangma, Mangse-sumdo and Kovo, which is the first permanent village on the way to Shigatse. On this occasion, neither I nor any other European had ever heard the name Kovo, so I did not pay more attention to it than to other unknown names mentioned to me by the Tibetans. Later on, or on April 18th, 1907, I would however, have my Camp CXLIV at this village, the name of which is better written Govo, situated on the Pachu-tsangpo. The information in this particular point was, therefore, perfectly correct. When returning north in April, Govo was indeed the last permanent village I passed. But the distance is greater than 9 of our ordinary marches. The pass mentioned by the Tibetans, may be Chang-la-Pod-la in the Pabla Range of the Transhimalaya. But it may as well be some other pass on the road. The fact that the other names mentioned above, were not heard by me in April, only shows that there is a road across the ranges of the northern Transhimalaya from Ng-ang-tse-tso to Govo which
is absolutely unknown.
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