Red Cloister is an Augustinian Priory, founded in 1367. It is located in the Sonian Forest, in south-eastern Brussels, Belgium. It was abolished in 1796. Today, it is administered from Auderghem, which is a commune of Brussels.
This area on the edge of the forest, surrounded by lakes through which the Roodkloosterbeek passes, has been called the Rouge-Cloître estate from the 16th century until the present day. It was used for hunting in the 16th and 17th centuries and today is popular with nature-lovers and ramblers.