We started at daybreak, and after a long march along
the sandy bed, hemmed in by high banks, or by precipitous cliffs
of sandstone, we arrived at the junction; this was a curious and
frightful spot during the rainy season. The entire course of the
Royan was extremely rapid, but at this extremity it entered a
rocky pass between two hills, and leapt in a succession of grand
falls into a circular basin of about four hundred yards diameter.
This peculiar basin was surrounded by high cliffs, covered with
trees; to the left was an island formed by a rock about sixty
feet high; at the foot was a deep and narrow gorge through which
the Settite river made its exit from the circle. This large river
entered the basin through a rocky gap, at right angles with the
rush of water from the great falls of the Royan, and as both
streams issued from gorges which accelerated their velocity to
the highest degree, their junction formed a tremendous whirlpool:
thus, the basin which was now dry, with the exception of the
single contracted stream of the Settite, was in the rainy season
a most frightful scene of giddy waters. The sides of this basin
were, for about fifty feet from the bottom, sheeted with white
sand that had been left there by the centrifugal force of the
revolving waters; the funnel-shaped reservoir had its greatest
depth beneath the mass of rock that formed a barrier before the
mouth of the exit.
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