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III

Namcha Barwa on the South and
Gyla Pai on the North.

We got to Payül - after crossing the
Namcha Barwa spur - in 11 days from
Pemaköchung. From there we went up
to Gompo Ne. We crossed the river below
this point by a monkey bridge. There
is no 'great turmoil of waters' where the
Po - Tsangpo joins the Tsangpo. We went up
the left bank of the Tsangpo above Gompo
Ne and found a fall of about 40' -
(a photograph of which I enclose) at
the point at which we had to leave
the Tsangpo to cross the spur to Payül.
These were the only falls we saw.
In places the river falls 200' - 250' per
mile.