The
Yarmuk River, sometimes also spelled "Yarmouk" (, , or , ; , ; ) is the largest
tributary of the
Jordan River. It runs in
Jordan,
Syria, and
Israel and drains much of the
Hauran plateau. Its main tributaries are the
wadis of and from the north, and from the east. Although it is narrow and shallow throughout its course, at its mouth it is nearly as wide as the Jordan, measuring thirty feet in breadth and five in depth. The once celebrated Matthew Bridge used to cross the Yarmuk at its confluence with the Jordan.