Campina do Encantado

Campina do Encantado State Park (Parque Estadual Campina do Encantado) is a protected Atlantic Forest reserve located in the Ribeira Valley (Vale do Ribeira) region of São Paulo state, in the municipality of Pariquera-Açu. The park covers approximately 2,714 hectares of lowland and submontane Atlantic Forest along the floodplains and slopes of the Ribeira de Iguape River basin, one of the most biodiverse and least degraded Atlantic Forest regions remaining in Brazil. The Ribeira Valley contains the largest continuous Atlantic Forest remnant on the Atlantic coast of South America, and Campina do Encantado contributes a significant tract to this larger ecological matrix. The park is managed by the São Paulo Forestry Institute.

The park's lowland Atlantic Forest and adjacent wetlands support exceptional mammal diversity. South American tapirs are regularly recorded in camera trap surveys, and their abundance reflects the intactness of the lowland forest. Jaguars were historically present in the Ribeira Valley, and sporadic records suggest occasional movement through the area. Pumas and ocelots are resident apex predators. The monkey fauna includes howler monkeys and capuchins. The riparian zones are habitat for the giant otter and Neotropical river otter. Over 250 bird species have been documented, including the harpy eagle, red-tailed amazon, and numerous migratory shorebirds using the Ribeira floodplain. The lowland forest is particularly important for species dependent on seasonally flooded habitat.

The dominant vegetation is dense ombrophilous lowland and submontane Atlantic Forest, characterized by towering trees emerging above a continuous multilayered canopy. The lowland portions include várzea (seasonally flooded forest) along the Ribeira River tributaries, with specialist tree species adapted to periodic inundation such as Sebastiania commersoniana and Calophyllum brasiliense. The upland sectors support old-growth forest with large emergent jequitibá, Brazilian walnut (Ocotea porosa), and Sloanea. The diversity of orchids, bromeliads, and other epiphytes is among the highest documented in São Paulo state. Palm diversity is exceptional in the lowland sectors, with açaí (Euterpe oleracea), juçara (Euterpe edulis), and several rarer species present.

Campina do Encantado lies within the Ribeira de Iguape sedimentary basin and its surrounding crystalline basement. The valley floor is underlain by Quaternary alluvial deposits, sands, silts, and clays laid down by the Ribeira River over millions of years, forming the flat, seasonally flooded lowlands. The slopes rising from the valley contain Proterozoic metasedimentary rocks including phyllites, quartzites, and marbles, part of the Ribeira Group that extends across this region. The marble formations (metacarbonates) host several cave systems in the broader Ribeira Valley, the largest karst landscape in South America. Soils in the lowland are poorly drained hydromorphic types; upland soils are shallow litholic varieties over rocky slopes.

The Ribeira Valley has a humid tropical climate with high annual rainfall, averaging 1,500–2,000 millimetres with no pronounced dry season. The maritime influence from the nearby Atlantic coast (approximately 40 kilometres) maintains humidity year-round. Temperatures are warm to hot, averaging 22–25°C annually with summer maxima around 32°C. The lowland valley has higher average temperatures than the surrounding plateau, creating a distinctive microclimate. Flooding of the Ribeira River is an annual event of ecological importance, depositing nutrients on floodplain forests and creating temporary aquatic habitats. The relatively stable year-round moisture availability of this valley explains the high biodiversity and structural complexity of its forests.

The Ribeira Valley has a distinct cultural history that sets it apart from most of São Paulo state. The valley's difficult terrain limited agricultural expansion, and the region remained a backwater economically even during Brazil's coffee boom. This allowed one of the largest concentrations of quilombo communities in Brazil to persist in the valley, descendant communities of formerly enslaved Africans who established free settlements in the forest from the seventeenth century onward. Over 50 recognized quilombo communities remain in the Ribeira Valley today. Indigenous Guarani communities, particularly the Mbya subgroup, also maintain territorial presence in the broader landscape. The cultural mosaic of quilombola, indigenous, and caboclo communities makes the Ribeira Valley one of Brazil's most significant living heritage landscapes.

Campina do Encantado State Park was established in 2001 as part of São Paulo state's systematic expansion of protection in the Ribeira Valley, recognized since the 1990s as Brazil's most critical Atlantic Forest conservation priority. The park land was previously part of state-owned properties and areas purchased through conservation programs. Its establishment complemented existing protected areas in the valley, including Jacupiranga State Park (now a mosaic) and the large reserves in the southern Serra do Mar. The Forestry Institute manages the park in coordination with the broader Jacupiranga Conservation Mosaic management plan, which coordinates land use across the fragmented patchwork of parks, extractive reserves, and community territories in the valley.

Campina do Encantado offers limited public access managed through the São Paulo Forestry Institute. The park's main attractions are its intact lowland Atlantic Forest and rich wildlife, particularly for birdwatchers. The Ribeira River corridor provides canoe routes that skirt park boundaries. Guided forest treks for small groups can be arranged through prior contact with the park administration in Pariquera-Açu. The broader Ribeira Valley region offers complementary attractions including the Caverna do Diabo (one of Brazil's largest caves, in adjacent Jacupiranga), quilombo cultural visits, and Atlantic Forest circuit itineraries promoted by regional tourism associations.

Pariquera-Açu is accessible from Curitiba or São Paulo via BR-116 (Régis Bittencourt Highway). The town has hotels and restaurants. Park access requires advance contact with the São Paulo Forestry Institute regional unit. There is a small park administration building but no developed visitor center or established trail network with infrastructure. Guided visits focus on birdwatching and natural history observation. The broader Ribeira Valley ecotourism circuit, coordinated by Fundação Florestal and regional tourism bodies, provides context for planning visits to multiple sites in the valley. Roads within the valley include some unpaved stretches requiring four-wheel-drive vehicles.

Campina do Encantado is embedded within the largest remaining block of Atlantic Forest in South America. The Ribeira Valley protected area mosaic, which includes this park, is the foundation of the Atlantic Forest biome's long-term survival as a functioning ecosystem. The park protects critical lowland forest habitat increasingly threatened by speculative land transactions, infrastructure projects (including proposed hydroelectric dams on the Ribeira River), and agricultural expansion at the valley margins. The coexistence of indigenous and quilombola communities with conservation areas in the broader landscape creates both challenges and opportunities for governance models that combine cultural and biological conservation. ICMBio and the São Paulo Forestry Institute coordinate landscape-level management across jurisdictional boundaries.