The 74-mile-long (119 km) Ocklawaha River flows north from central Florida until it joins the St. Johns River near Palatka. Its name is a corruption of ak-lowahe, Creek for "muddy".The historical and original source of the Ocklawaha River is Lake Griffin, part of the Harris chain of lakes in Lake County, Florida. The river now receives discharge from the entire Harris Chain of Lakes, including Lake Eustis, Lake Harris, Lake Dora, Lake Beauclair and Lake Apopka, via a series of man-made canals and natural waterways including Haynes Creek, the Dead River, the Dora Canal, and the Apopka-Beauclair Canal. The addition ... Source: Wikipedia