The construction of this castle began at the end of the XIV century. Then managed to build a large part of the castle was used for the construction of red sandstone.
In the early XVII century, added onto the other side of the castle : the defensive wall with two semicircular Basteja .
Since its inception, has weathered many storms the castle and sieges, was repeatedly destroyed , but every time ostraivalsya again. At one time served as the residence of princes Buchachskih , and in the early XVII century passed into the possession of the Potocki .
In 1648, the castle was destroyed by the Cossack regiments Maxim Krivonos, but was immediately rebuilt Potockis . Later the Crimean Tatars several times tried unsuccessfully to capture the castle . In 1672 the castle fell under the onslaught of the combined troops of the Sultan Mohammed IV, Crimean Tatar and Cossack hetman Doroshenko troops .In the same year under the walls of the castle was signed Buchachsky peace between the Ottoman Empire and the Polish-Lithuanian Commonwealth . Following the resumption of hostilities Buchachsky castle in 1676, was again captured and destroyed by Turkish troops, but was once again rebuilt.In the XVIII century the castle lost its defensive value , is in disrepair , and its walls are gradually disassembled by local residents for construction materials.
So far, well preserved buildings of the XVI century - the southern defensive wall with loopholes , eastern Basteja and fragments of walls of the former palace .
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