THE LAST CROSSING OF THE TRANSHIMALAYA.
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situation. Its altitude was 5,276 m. or 5 m. below Takche, which, however, was in the mouth of a side valley and, therefore, somewhat higher than the middle of the pass valley. The distance from Takche to the pass was 5.3 km. and the rate of fall I :1,060. From the pass we had 11.3 km. S. W. to Camp CCCCXLIX, Surngelungpa, where the altitude was 4,917 m., a fall of 359 m. at a rate of I : 31.
The next day we continued S. S. W. 5.6 km. to the pass Yübgo-la, 5,242 m. high, and probably belonging to the same range as the Kailas and the Pundi. The ascent is 325 m., and the rate 1: 17. On the southern side we had 5 km. S. S. W. to Camp CCCCL, where the altitude was 5,02 7 m., a descent of 215 m. and a
rate of 1:23.
The last day, 7uly 14th, we marched 13.1 km. S. S. W. to the upper Tokchen, Camp CCCCLI, where the altitude was 4,654 m. The descent from the Transhimalaya was, therefore, 373 m., and the rate of fall 1 :35. On the way a little secondary threshold, Rigong-la, is passed. From its saddle, 4,972 m. high, the last panorama, 544, Tab. 103, was sketched to the south and S. W. The Sacred Lake is not in sight.
The whole distance is, according to the data given above, 178.2 km. Between this and the distance given Vol. III, p. 325, viz. 203 km., there is a considerable discrepancy. This is partly due to the fact that in Vol. III the distance is not reckoned from Camp CCCCXXXIX, but from the Lake. Taking the latter from the mouth of the Sumdang-tsango, we get 188 km. The rest is due to corrections of the construction map.
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