In the west the only lakes of importance are the Steinhuder Meer, 14 m.
Its northern extremity is occupied by a lake named the Steinhuder Meer.
The military badge is a white cross with black and gold edging, resting on a green oak and laurel wreath; the central medallion bears the Prussian Eagle with the arms of Hohenzollern, and is surrounded by a blue fillet with the motto Vom Fels zum Meer; the civil badge is a black eagle, with the head encircled with a blue fillet with the motto.
The principal lakes are the Steinhuder Meer, about 4 m.
In 1531 the Haarlemmer Meer had an area of 6430 acres, and in its vicinity were three smaller sheets of water - the Leidsche Meer or Leiden Lake, the Spiering Meer, and the Oude Meer or Old Lake, with a united area of about 7600 acres.