 The Einasleigh River rises in the locality of Lyndhurst in the Einasleigh Uplands within the Atherton Tableland, draining the western slopes of the Great Dividing Range below Mount Remarkable.The river flows generally north, northwest and then west.The river is joined by 33 tributaries from source to mouth including the Copperfield and Etheridge rivers and numerous creeks before reaching its confluence with the Gilbert River north of .