The London home of the Duke of Northumberland, Syon House contains some of Robert Adam's finest interiors.
The gardens contain a spectacular Great Conservatory in landscaped parkland.
Open Apr-Oct WThSu & BH 1100-1700.
Snakes and Ladders 1 mile
A supervised indoor play area and outdoor adventure playground for children up to 12 years old. Café.
Tel. 020 8847 0946.
Open Daily 1000-1800.