Southern Tibet : vol.2 / 296 ページ（白黒高解像度画像）

0296	Southern Tibet : vol.2
南チベット : vol.2

The higher one ascends the more dominating the Kailas appears. The rise
becomes steeper, and amongst heaps of blocks the road goes up to Tseti-la, 5,628 m.
(18,459 feet) high. The pass is like a platform between two low thresholds. The
view does not reach far, as it is hidden by surrounding mountains. From the nor-
thern side of the pass a brook goes down to the N.W. and west, and probably joins
the Dunglung-chu. Tseti-la is therefore only a secondary pass. The real water-par-
ting pass between the Satlej and Indus is situated a little farther north on a flat
threshold, called Tseti-lachen-la, 5,466m. (17,928 feet) in height.

On this pass there is an oblong pool which sends out a brook to the N.E.,
and is the source of the northgoing Tseti-chu, a left tributary to the uppermost
Indus. The valley is broad, its bottom is covered with good grass, swamps, and
moss: the brook has hardly 1cub.m. of water, which occasionally forms small rapids.
Lower down, the bed is bordered by well marked though often interrupted erosion
terraces. The mountains to the left side are low, those to the right more consider-
able. The breadth of the valley increases.

On the first half of the road granite prevails, after which quartz-porphyry be-
comes more frequent. Finally the Tseti-chu joins the Indus at right angles, at a
place called Singi-buk, where the height is 5,079m. (16,659 feet). The Indus has
here a left side terrace 7m. high, and sweeps close along the side of a mighty por-
phyry massive on its right side. Here the Indus carried only 4.5cub.m. a second in
the afternoon, on September 9th. A right tributary joining the Indus a little below
Singi-buk, is called Shinglung-ota. In its upper part is the pass Ngoma-chande-la
with a road to an uninhabited region 2 or 3 days north called Tashi-toche. Four
days down the river is a place Gechu-rap, which is probably the same as the Gia-
churuff of the Pundits. ¹

Following the Indus eastwards through its comparatively broad valley one soon
reaches the junction of the Indus with the Lungdep-chu, which, though it carried
about 3cub.m and is thus much stronger than the Indus, is regarded, by the Ti-
betans as a tributary to the Singi-kamba. If the volume of water alone should
decide which were to be regarded as the main river and which the tributary, the
Lungdep-chu ought to be regarded as the source of the Indus. In the lowest
part of its course this brook comes from S.40°E., but its source is said to be situ-
ated almost due south from the junction and at a distance of one short day's
march. It comes from the same head range in which Tseti-lachen-la is situated;
from the right or S.E. it receives several small tributaries. The mountains visible in
its upper part seem to be comparatively low and to have very little snow on their
northern sides.

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国立情報学研究所 - ディジタル・シルクロード・プロジェクト 『東洋文庫所蔵』貴重書デジタルアーカイブ

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国立情報学研究所 - ディジタル・シルクロード・プロジェクト
『東洋文庫所蔵』貴重書デジタルアーカイブ