Palacio de El Castañar, Private palace in Mazarambroz, Spain

Palacio de El Castañar is a three-story stone palace in Mazarambroz, built 1904–1909 by architect Saldaña and inspired by Abbotsford House, Sir Walter Scott's Scottish home. Its north facade has a round-arched entrance with mouldings and archivolts, a large balcony above, and an octagonal tower with cruciform oculi and merlons. The steep slate roofs and stepped gables complete the historicist design.

Construction of this palace started in 1904 and was completed in 1909, designed by architect Saldaña who drew inspiration from Abbotsford House. The project reflected the period's interest in recreating European castle traditions in Spain.

The estate's chapel, built in the last quarter of the 19th century in a historicist style, has a single nave and a bell tower above a slate roof. Its facade mixes brick walls with stone cornices and pilasters, and is edged by pinnacles and spires. Nearby stands the Casa de Rojas, the oldest surviving building on the property and the owners' first residence, grouped with farm and livestock buildings around courtyards where tenants and employees lived.

The palace and its two gardens sit on the private El Castañar estate, owned by the Count of Mayalde, so there is no public visiting regime; the interior and gardens are not open to tourists. The surrounding 6,800-hectare finca is working land, with vineyards, olive groves, Iberian pig farming and driven hunts in the holm oak woods. Views of the north facade and the French-style garden are from outside the property.

The grounds contain two distinct gardens: a French-style layout adorning the main facade and an Italian-influenced design on the southern side complete with fountains and pools. These contrasting garden styles create two separate experiences within the same estate.