Southern Tibet : vol.4 / Page 415 (Color Image)

0415	Southern Tibet : vol.4

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belonged. We camped at the northern side of the valley at the base of red
hills of reddish, white, dense, weathered limestone. The grass was good. Water
was obtained from the snow and from the ice of a spring. *Pantholops* and one
*Ovis ammon* were seen. During a day's rest at *Camp CCCVI* and after a
temperature of —26.6° in the night, the wind blew from the S. W., though not
very hard.

On *January 18th*, we made 12 km. to the east. *Camp CCCVII*, at 5,110 m.,
was only 15 m. above the previous camp, being a rate of 1:800. The minimum
temperature of the night was —24.8°. The latitudinal valley we now are following,
is broad and flat and parallel to the valley of 1906, all mountain ranges stretching
east and west, or nearly so. During the first few kilometers the ground rises very
slowly to a flat, hardly noticeable threshold which is a water-parting of the valley.
Beyond it the shallow, broad erosion furrows are directed to the east. From the
southern mountains, a series of watercourses come down to the principal erosion
furrow of the valley, and we have to cross them all. Their left terraces are 1 or
2 m. high and rounded. At their lee side, snow is accumulated. Otherwise there
are only small snow-patches here and there, as for instance at the lee side of every
*yapchan* plant. The northern mountains are interrupted, rocky, rugged and steep.
In the opening between two of these hills, one gets a glimpse of the extensive
northern valley. To the N. 31° E., there is a considerable peak at a distance of
some 50 km., and beyond it another snow-mount. These mountains are situated to
the north of my route of 1906. The principal erosion furrow is to our left. On
our right, is still the range which we have to cross to be able to reach *Arport-tso*,
which now was my nearest goal. Our valley falls slowly eastwards, and seems finally
to open out into an extensive plain which, to the north, may also be in connection
with the latitudinal valley of 1906. Beyond a rocky promontory of the northern
hills, the view to the N. 67° E., is unusually extensive. In the background, snow-
covered mountains are visible which may belong to the range on the southern shore
of *Lake Lighten*. In the nearer prolongation of one valley, there is a little lake,
which seems to be open and, therefore, must be salt. One gets the impression of
enormous plains on which the mountains are arranged like more or less interrupted pro-
tuberances, chiefly stretching east and west. Proceeding on the slopes of the southern
mountains, we finally entered a valley from the S. E., where, on the slopes of the
right side, the grass was good, fuel and snow abundant. Here is *Camp CCCVII*.
Only a few *Pantholops* antelopes and the fresh track of a yak were seen. Pan. 396A
and B, Tab. 70, was sketched from this camp. It shows a considerable snow-
mountain to the S. 50° E., and in the same direction, as well as south, S. W. and
west, the range we had had to the south. To the N. N. W. is a curious red ridge
with an enormous talus of detritus at its base, and beyond it, nearly north, snow-
29. IV.

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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