Schloss Baumgarten, Protected heritage château in Mautern an der Donau, Austria.

Schloss Baumgarten is a Baroque structure on the Danube that consists of multiple wings arranged around two courtyards with an ornately decorated façade facing the river. The estate is marked by large stone sphinxes at its entrance and features a garden containing historical sculptural elements.

The château took its current form in 1756 when Franz Josef Giegl built it as a Baroque structure on the site. Major renovations in the early 1900s by factory owner Carl Faltis significantly altered and updated the building's appearance.

The festival hall's ceiling carries a fresco by Martin Johann Schmidt, signed and dated 1758, showing the Triumph of Apollo with an allegory of the arts and sciences. Schmidt, known as Kremser Schmidt, was among the leading painters of the Austrian late Baroque. In several other rooms, flat ceilings with stucco mirrors date from the early 20th century.

Access to the estate is marked by two large stone figures at the northern entrance that serve as clear landmarks for visitors. The path then leads to the main gate of the property, which sits on elevated ground overlooking the Danube.

The two monumental sphinxes flanking the northern drive were carved around 1730 by Franz Leopold Farmacher and once stood in front of Schloss Thürnthal before Carl Faltis brought them here. The garden's baroque sculptures, vases, benches and fountains were likewise bought by Faltis from other castles, including Schlosshof and Thürnthal.