Grandjean de Montigny Manor House, Manor house in Gávea District, Rio de Janeiro, Brazil.

The Grandjean de Montigny Manor House is a two-story neoclassical residence on a small rise in Gávea, Rio de Janeiro. A monumental entrance stair leads to a portico and veranda lined with Doric columns, repeated symmetrically on the upper floor. The plan is symmetrical, with the main hall opening onto the veranda, and a habitable basement below. A large garden surrounds the house in a partly preserved tropical setting.

The house was built in the 19th century as the residence of Auguste Henri Victor Grandjean de Montigny, a French architect who worked at the Brazilian imperial court. His influence shaped the architectural style of Brazil's imperial period.

The manor serves as a venue for exhibitions, where visitors can see objects and documents from Brazil's colonial and imperial periods. The rooms maintain their original layout, showing how wealthy families lived during those eras.

The manor is located on Rua Marquês de São Vicente in the Gávea neighborhood and is open for visits. Guided tours are recommended to fully appreciate the architectural features and understand the historical context.

The house retains many of its original decorative elements, showing how wealthy families arranged their living spaces. These details offer insights into taste and daily life during Brazil's imperial era.