where do i go to get a map of the carribean showing two major mountains and two major rivers?

Answer 1

Here's one of Montserrat, which is much more interesting than your typical islands in the Caribbean due to it's active volcano and consequent displacement of the population:

This shows four major peaks and three major rivers.

Answer 2

Go to google, and type in "Online World Atlas". When you find a good site, then you can type in what you are looking for as precisely as you can.