made available by the instituto chico mendes de conservação da biodiversidade - icmbio, on this page there is a searchable map or all forests, parks and protected areas in brazil - by entering the name of a natural reserve, a close-up map is displayed.   

the map can be used by zooming in the area of interest and selecting a specific region.

alternatively, a list of all of rio de janeiro's areas included in the map is published on this page, selecting the protected area opens a page with the link to the map for that area.