Nemours Mansion and Gardens....The Nemours Mansion and Gardens is a country estate with jardin à la française formal gardens and a classical French mansion located in Wilmington, Delaware. The mansion resembles a Château and contains 105 rooms spread over five floors . It shares the grounds with the Alfred I. duPont Hospital for Children and they are both owned by the Nemours Foundation at 1600 Rockland Road. The estate is part of the DuPont legacy and is located on the DuPont Historic Corridor..

The Nemours Mansion and Gardens is a 300-acre (1.2 km²) country estate with jardin à la française formal gardens and a classical French mansion located in Wilmington, Delaware. The mansion resembles a Château and contains more than seventy rooms spread over five floors occupying nearly 47,000 sq ft (4,400 m²). It shares the grounds with the Alfred I. duPont Hospital for Children and they are both owned by the Nemours Foundation at 1600 Rockland Road. The estate is part of the DuPont legacy and is located on the DuPont Historic Corridor.

Nemours was created by Alfred I. du Pont in 1909–1910, and named for a French town affiliated with his great-great-grandfather, Pierre Samuel du Pont de Nemours. Carrère and Hastings designed it. The architecture is of the Louis XVI—Rococo style of French architecture.