Southern Tibet : vol.4 / Page 274 (Color Image)

0274	Southern Tibet : vol.4

where it soon comes to an end; it is fed by a spring. In the same valley and pro-
tected against the ordinary wind by a projecting mountain, two tents were pitched
and flocks of sheep were grazing. The ground is very level and comfortable and
consists of fine gravel with some grass and tussocks; later on there is no gravel
but alluvial clay, now hard as stone but soft during the summer, as could be seen
from the numerous tracks of ponies, kyangs and yaks. They were sunk deeply into
the ground which, during the rainy season, must be rather treacherous.

We approach the opening of a large valley from the S. E. Outside its mouth
we cross several erosion furrows coming from the mountainous regions to the N. E.
of Nain Sing's route. This great valley is to be found on Pan. 95A, Tab. 16, which
also shows the mountains all around the horizon, among them several considerable
peaks of pyramidal or conical form. The region was rich in kyangs grazing in
great herds. Camp LXXXI was pitched not far from an isolated mountain group
to the north of which the Bogtsang-tsangpo flowed in an apparently narrow valley.

The march of December 8th is only 8.1 km. Camp LXXXI is situated on a
flat threshold, 4,788 m. high, whilst Camp LXXXII on the river has only 4,707 m.;
the fall is as 1:100. The temperature of the night was —26.4°; in the morning
there was a W. S. W. storm, the whole sky was covered with dark clouds. The
soil of sand and gravel is hard and comfortable, with some poor grass. The
mountain group to our left consists of greyish red dense albien-limestone, and
forms very steep promontories and shoulders with narrow and steep gorges
between. The height of this isolated group is only about 150 m. The breadth
of the valley may be some two miles. From the camp we rise to a water-parting,
so flat that it cannot be noticed; on its eastern side, however, one feels that the
ground slowly falls. There are no erosion beds. The mountains at the southern
side of the valley are somewhat higher than on the northern; and several transverse
valleys and gorges open among them. One of them has a spring and is called
Teshung. Pati-bo is the name of the promontory of the northern group at the
very base of which the Bogtsang-tsangpo comes out from a narrow valley piercing
the mountains. The river is streaming in capricious beds and has a right terrace,
well-marked and 4 or 5 m. high. There are many fireplaces here and several
tents are said to pass the summer at Pati-bo. With the terrace to our right, we
follow the bank of the river which, as a rule, was frozen over, but open at a few
places. At Camp LXXXII the ground is alluvial clay; the grass was tolerable and
dung was to be had.

In this region some tents from Ombo on the Dangra-yum-tso are passing
the winter, as the grazing near the lake is miserable. The Tibetans from Ombo
told us that the lake is salt and that no road runs all around the lake on account
of the steep mountains at several places. Pilgrims who wander around the lake

National Institute of Informatics - Digital Silk Road Project
Digital Archive of Toyo Bunko Rare Books

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National Institute of Informatics - Digital Silk Road Project Digital Archive of Toyo Bunko Rare Books

Citation Information

OCR Text

National Institute of Informatics - Digital Silk Road Project
Digital Archive of Toyo Bunko Rare Books