Descending rapidly from its source, sometimes over cascades, the river soon enters deep gorges through which it flows as far as Beaulieu (department of Correze) where it debouches into a wide and fertile valley and is shortly after joined by the Cere.
To meet these forces the emperor could not collect men in all, of whom upwards of 10o,000 were held by Wellington on the Spanish frontier, and more were required to watch the debouches from the Alps.
The principal river of the district is the Irrawaddy, which debouches on the sea at its eastern extremity through a delta intersected with salt water creeks, among which the Pyamalaw, Pyinzalu, Kyunton, and Ngawun Shagegyi or Bassein river rank as important arms of the sea.
Beaulieu, at the head of the picturesque estuary of the Beaulieu river, which debouches into the Solent, is famous for the ruins of Beaulieu Abbey, founded by King John for Cistercians.
None of them is navigable in the mountain valleys; but the Tista, after it debouches on the plains, can be navigated by cargo boats of considerable burthen.