What are the navigable rivers in Jamaica?

Black river riocovery river or something like that

There are sixteen known rivers in Jamaica. Dunns river in St. Ann, Martha Brae river in Trelawny, Swift river in Portland, Wag Water river in St. Mary, Roaring river in St. Ann, Great river in St....

Yes. The head of navigation is at Minneapolis.

The Nile river is the longest river in the world, though its hard to say if its "navigable" or not given that at two points in the river it has large rapids and waterfalls.

Yes. Some parts of the river west of Teddington have been canalised, but the river is navigable beyond Oxford.