On its left bank stretches the so-called inundation region, 1525 ft.
The lowlands of Tilsit are protected against inundation by dikes.
In the 7th century, perhaps owing to a terrible inundation,' its exiles founded, at a distance of 4 m.
An invasion of England was planned in 1483 in concert with the duke of Buckingham's rising; but stormy weather at sea and an inundation in the Severn defeated the two movements.
On the west the shore is perfectly flat, so that a slight rise in the water causes the inundation of a considerable area - a fact not without its influence on the estimates made at varying periods as to the size of the lake.