The reserve is mostly covered in dense rainforest, with many species of flora, some of which are rare. The terrain is rugged, with altitudes ranging from . Streams rising in the reserve flow into the
Doce,
Timbuí and
Piraqueaçú rivers. Protected birds in the reserve include the
red-browed amazon (Amazona rhodocorytha),
white-necked hawk (Leucopternis lacernulatus),
Atlantic black-breasted woodpecker (Celeus torquatus tinnunculus),
rufous-brown solitaire (Cichlopsis leucogenys),
purple-winged ground dove (Claravis godefrida),
black-bellied thorntail (Discosura langsdorffi),
Salvadori's antwren (Myrmotherula minor) and
brown-backed parrotlet (Touit melanonotus). Protected mammals include the
maned sloth (Bradypus torquatus),
Atlantic titi (Callicebus personatus),
northern muriqui (Brachyteles hypoxanthus),
buffy-headed marmoset (Callithrix flaviceps),
ocelot (Leopardus pardalis) and
cougar (Puma concolor capricornensis). Other protected species include the black uruçu (
Melipona capixaba) and pinthous mimic white (
Moschoneura pinthous methymna). ==Notes==