Access to the Fortaleza de São Domingos de Gragoatá is through the Forte Barão do Rio Branco, located at Av. Marechal Pessoa Leal, 265, in Jurujuba, Niterói. It's an active Brazilian Army base, so be prepared for security checks. +1

While specific bus routes might vary, it's advisable to check local Niterói transport apps or ask locals for the best bus lines that go near Jurujuba or Forte Barão do Rio Branco. Taxis or ride-sharing services are also convenient options.

Yes, you can drive to the Forte Barão do Rio Branco. Parking availability might depend on the day and time, so arriving a bit early is recommended.

Information on ticket purchases isn't explicitly detailed in the provided sources, but access is via a guided tour. It's best to contact the Forte Barão do Rio Branco directly or check their official channels for any admission fees or booking requirements. +1

The fort is open for guided visits only on Tuesdays to Sundays, with specific tour times at 10 AM and 2 PM. It's crucial to confirm these times before your visit as they can change. +1

While not explicitly stated as mandatory, it's highly recommended to inquire about booking in advance, especially given the limited tour slots and the nature of visiting an active military base. +1

No, the fort is not open for visits on Mondays. Guided tours are only available from Tuesday to Sunday.

Photography is generally allowed, especially for capturing the scenic views of Guanabara Bay. However, always be mindful of any restrictions within active military areas and follow the guide's instructions.

The ramparts and elevated points offering panoramic views of Guanabara Bay are prime locations for stunning photographs. The historic ruins themselves also make for dramatic shots.