HAVEL, a navigable affluent of the Elbe, rising in several lakes in the S.E. part of Mecklenburg-Schwerin, flows through several lakes in its course, and joins the Elbe below Havelberg. The chief towns on its banks are, Oranienburg, Spandau, Potsdam, Brandenburg, Plane, Rathenow, and
Haverkamp Havelberg. Its chief affluents are—on the left, the Spree, Nuthe, Plane, and Stremme; on the right, the Rhin and the Dosse. It is about 180 miles in length, is navigable for boats through its entire extent, and for ships from Fürstenberg.