The first coup d'oeil from the summit of the cliff 1,500 feet above the
level had suggested what a closer examination confirmed.
The lake was a
vast depression far below the general level of the country, surrounded
by precipitous cliffs, and bounded on the west and southwest by great
ranges of mountains from five to seven thousand feet above the level of
its waters - thus it was the one great reservoir into which everything
MUST drain; and from this vast rocky cistern the Nile made its exit, a
giant in its birth. It was a grand arrangement of Nature for the birth
of so mighty and important a stream as the river Nile. The Victoria
N'yanza of Speke formed a reservoir at a high altitude, receiving a
drainage from the west by the Kitangule river, and Speke had seen the
M'fumbiro mountain at a great distance as a peak among other mountains
from which the streams descended, which by uniting formed the main river
Kitangule, the principal feeder of the Victoria lake from the west, in
about the 2 degrees S. latitude: thus the same chain of mountains that
fed the Victoria on the east must have a watershed to the west and north
that would flow into the Albert lake. The general drainage of the Nile
basin tending from south to north, and the Albert lake extending much
farther north than the Victoria, it receives the river from the latter
lake, and thus monopolizes the entire headwaters of the Nile. The Albert
is the grand reservoir, while the Victoria is the eastern source, the
parent streams that form these lakes are from the same origin, and the
Kitangule sheds its waters to the Victoria to be received eventually by
the Albert, precisely as the highlands of M'fumbiro and the Blue
Mountains pour their northern drainage direct into the Albert lake. The
entire Nile system, from the first Abyssinian tributary the Atbara in N.
latitude 17 deg. 37 min. even to the equator, exhibits a uniform
drainage from S.E. to N.W., every tributary flowing in that direction to
the main stream of the Nile; this system is persisted in by the Victoria
Nile, which having continued a northerly course from its exit from the
Victoria lake to Karuma in lat. 2 degrees 16' N. turns suddenly to the
west and meets the Albert lake at Magungo; thus, a line drawn from
Magungo to the Ripon Falls from the Victoria lake will prove the general
slope of the country to be the same as exemplified throughout the entire
system of the eastern basin of the Nile, tending from S.E. to N.W.
That many considerable affluents flow into the Albert lake there is no
doubt. The two waterfalls seen by telescope upon the western shore
descending from the Blue Mountains must be most important streams, or
they could not have been distinguished at so great a distance as fifty
or sixty miles; the natives assured me that very many streams, varying
in size, descended the mountains upon all sides into the general
reservoir.
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