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PETAR - A Cave Explorer's Paradise

Discover over 300 caves, waterfalls, and the lush Atlantic Forest in São Paulo's premier ecotourism destination.

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PETAR (Alto Ribeira State and Tourist Park) is a sprawling natural sanctuary in São Paulo, Brazil, famed for its stunning array of caves, rich biodiversity, and Atlantic Forest landscapes. Explore hundreds of caves, waterfalls, and trails within this protected area.

A brief summary to PETAR - Alto Ribeira State and Tourist Park

  • Tuesday 8 am-5 pm
  • Wednesday 8 am-5 pm
  • Thursday 8 am-5 pm
  • Friday 8 am-5 pm
  • Saturday 8 am-5 pm
  • Sunday 8 am-5 pm

Local tips

  • Wear appropriate footwear for hiking and cave exploration. Closed-toe shoes with good traction are recommended.
  • Bring insect repellent and sunscreen to protect against mosquitoes and sun exposure.
  • Hire a local, certified guide to explore the caves safely and learn about the park's natural history.
  • Pack snacks and water, as options within the park may be limited.
  • Long pants are required for cave entry.
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Getting There

  • Taxi/Ride-share

    From the town of Iporanga, taxis or ride-sharing services are available to reach PETAR. The park is located approximately 10 km from the town center along Rodovia SP-165, Km 156. A ride should cost around R$50-100, depending on the exact location and time of day.

  • Driving

    If driving, navigate to Rodovia SP-165, Km 156, Zona Rural, Iporanga, SP, 18330-000. Parking is available at the park's visitor centers. Parking costs are not specified, but expect to pay a nominal fee. Be aware that road conditions can vary, and driving may involve unpaved sections.

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Discover more about PETAR - Alto Ribeira State and Tourist Park

The Alto Ribeira State and Tourist Park (PETAR), located in the southern part of São Paulo, Brazil, is a haven for ecotourists and adventure seekers. Spanning over 35,000 hectares, PETAR protects a significant portion of the Atlantic Forest, boasting over 300 caves, along with waterfalls, and diverse flora and fauna. This rich natural heritage has earned the park recognition as a UNESCO Biosphere Reserve. PETAR offers a range of activities, including hiking, cave exploration (spelunking), bird watching, and swimming in natural pools. Of the hundreds of caves within the park, a selection are open to the public, each revealing breathtaking geological formations. These caves display a variety of speleothems, including stalactites, stalagmites, and flowstones. The park is divided into different visitor centers (Núcleos), each providing access to a unique set of attractions. The Santana Núcleo is the most visited, offering well-structured access to the Santana Cave, one of the largest in the state. Other notable caves include the Ouro Grosso Cave, Água Suja Cave, and Casa de Pedra, which boasts the highest cave entrance in the world. Visitors are required to be accompanied by a certified guide to ensure safety and preservation of the natural environment. These guides provide valuable insights into the geological formations, local flora and fauna, and the history of the region.

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