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Morro Açu: A Summit in Serra dos Órgãos National Park

Hike to the summit of Morro Açu in Serra dos Órgãos National Park for breathtaking views and a challenging adventure.

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Morro Açu, located within the Serra dos Órgãos National Park near Petrópolis, offers a challenging yet rewarding hiking experience. Known for its stunning rock formations called the Açu Castles and panoramic views, the trail to the summit is a popular but difficult trek, attracting experienced hikers and nature enthusiasts.

A brief summary to Morro Açú

  • Monday 8 am-5 pm
  • 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

  • Start early to avoid the heat and allow ample time for the ascent and descent, as the trail is challenging and requires a good level of fitness.
  • Bring plenty of water and snacks, as there are limited water sources along the trail.
  • Wear appropriate hiking boots and comfortable clothing suitable for varying weather conditions, as the weather in the mountains can change rapidly.
  • Consider hiring a local guide, especially if you are not an experienced hiker, as the trail can be difficult to navigate in certain sections.
  • Check the weather forecast before you go, and be prepared for mist and fog, especially at higher elevations.
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Getting There

  • Public Transport

    From Rio de Janeiro, take a bus to Petrópolis. From the Rodoviária in Petrópolis Centro, take the bus line 700 to Terminal Corrêas (approximately R$8.80). Change to bus line 611 to the final station. From there, walk to the park entrance in Bonfim. The park entrance fee is approximately R$30 for adults. Costs: - Bus Rio de Janeiro to Petrópolis: R$20-R$40 [ESTIMATE] - Bus Petrópolis to Serra dos Órgãos National Park: R$8.80 - Park Entrance Fee: R$30

  • Taxi/Ride-Share

    From Petrópolis, a taxi or ride-sharing service to the Serra dos Órgãos National Park entrance in the Bonfim neighborhood is a convenient option. The ride is approximately 30 minutes, depending on traffic. Costs: - Taxi/Ride-Share from Petrópolis to Park Entrance: R$40-R$60 [ESTIMATE]

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Discover more about Morro Açú

Morro Açu is a prominent peak within the Serra dos Órgãos National Park, renowned for its challenging trails and breathtaking vistas. The mountain, part of the larger Petrópolis–Teresópolis traverse, stands as the second-highest point in the park. The main attraction is the Açu Castles, a collection of stacked rock formations at the summit that create a mystical atmosphere. From this vantage point, hikers can enjoy panoramic views of Guanabara Bay and the surrounding Serra dos Órgãos mountain range; on clear days, it's even possible to see Rio de Janeiro. The Morro Açu trail is considered strenuous, with an elevation gain of 1,100 meters over approximately 8 km. The hike typically takes between 3 to 6 hours to complete, depending on fitness levels. The trail passes through diverse landscapes, including dense vegetation that provides shade and open areas offering expansive views. Notable landmarks along the way include Pedra do Queijo (Cheese Rock), offering views of the Bonfim Valley, and the Ajax viewpoint, where a water source is available. Historically, the area around Morro Açu served as an escape route for slaves in the 19th century, adding a layer of historical significance to the natural beauty. Today, the park provides shelter with beds, a full kitchen, and hot showers.

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