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.
Fishing in Lake Peipus gives occupation to nearly 100,000 persons, and is also carried on in the Gulf of Riga and in the rivers.
In the following year the Teutonic Order, in conjunction with the Order of the Sword, succeeded in capturing Pskov; but Alexander recovered it in 1242, advanced into Livonia, and on the 5th of April defeated the knights on the ice of Lake Peipus and compelled them in the ensuing peace to renounce all their conquests.
Ehstland and Esshland, Esthonian Eestimaa and Meie-maa, also Viroma and Rahvama; Lettish Iggaun Senna), a Baltic province of Russia, stretching along the south coast of the Gulf of Finland, and having Lake Peipus and Livonia on the S.
In altitude along the coast and alongside Lake Peipus, while in the interior the average elevation ranges from 200 to 300 ft., and nowhere exceeds 450 ft.
The principal stream is the Narova, which issues from Lake Peipus, flows along the eastern border, and empties into the Gulf of Finland.
Simultaneously, another war, also an heritage from Charles IX., had been proceeding in the far distant regions round lakes Ilmen, Peipus and Ladoga, with Great Novgorod as its centre.