The round flattened summits of the Valdai plateau do not rise above 1100 ft., and they present the appearance of mountains only in consequence of the depths of the valleys - the rivers which flow towards the depression of Lake Peipus being only 200 to 250 ft.
Above the sea, still filled by Lakes Peipus, Ladoga, Onega, Byelo-ozero, Lacha, Vozhe, and many thousands of smaller lakes, skirts the central plateau on the N., and follows the same E.N.E.
Lake Peipus, or Chudskoye, receives the Velikaya, a channel of traffic with S.
M., but of this the part of Lake Peipus which belongs to it occupies 1090.
From Lake Virz-yarvi into Lake Peipus, occupies an area of 2830 sq.
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