A new channel has recently been made between it and its port, Pillau, 29 miles distant, on the outer side of the Frische Haff, so as to admit vessels drawing 20 feet of water right up to the quays of Konigsberg, and the result has been to stimulate the trade of the city.
The coast defences include, besides the great naval ports of Wilhelmshaven on the North Sea and Kiel on the Baltic, Danzig, Pillau, Memel, Friedrichsort, Cuxhaven, Geestemunde and Swinemunde.
By this truce Sweden was, for six years, to retain possession of her Livonian conquests, besides holding Elbing, the Vistula delta, Braunsberg in West, and Pillau and Memel in East Prussia, with the right to levy tolls at Pillau, Memel, Danzig, Labiau and Windau.
At the end of 1626, the Swedish fleet, with 14,000 men on board, anchored in front of the chain of sand-dunes which separates the Frische-Haff from the Baltic. Pillau, the only Baltic port then accessible to ships of war, was at once occupied, and Konigsberg shortly afterwards was scared into a unconditional neutrality.