The area at present occupied by the reserve consists of two areas; one of 12,250 hectares (30,300 acres) was formerly the Parque de Refugio e Criação de Animais Silvestres Sooretama and another of 10,000 hectares (25,000 acres) was formerly the Parque Estadual Barra Seca of the state of Espirito Santo.

[3] It covers parts of the municipalities of Jaguaré, Linhares, Vila Valério and Sooretama.

Includes Vegetal Formation called Mussununga in Podzol (WRB) or Espodossolos (SiBCS, Brazil).

Protected birds include the red-browed amazon (Amazona rhodocorytha), white-necked hawk (Buteogallus lacernulatus), Atlantic black-breasted woodpecker (Celeus tinnunculus), black-headed berryeater (Carpornis melanocephala), yellow-legged tinamou (Crypturellus noctivagus), red-billed curassow (Crax blumenbachii), banded cotinga (Cotinga maculata), band-tailed antwren (Myrmotherula urosticta), scalloped antbird (Myrmeciza ruficauda), rufous-vented ground cuckoo (Neomorphus geoffroyi), golden-green woodpecker (Piculus chrysochloros), white-eared parakeet (Pyrrhura leucotis), ochre-marked parakeet (Pyrrhura cruentata) and striated softtail (Thripophaga macroura).

[3] Other protected species include the northern brown howler (Alouatta guariba guariba), Atlantic titi (Callicebus personatus), giant armadillo (Priodontes maximus), giant otter (Pteronura brasiliensis), cougar (Puma concolor), jaguar (Panthera onca), oncilla (Leopardus tigrinus), ocelot (Leopardus pardalis), the ant Dinoponera lucida, Hercules beetle (Dynastes hercules) and the Characiformes fish Rachoviscus graciliceps.