Upnor Castle is a historic fortress located in the town of Chatham, in the county of Kent, England. The castle was built in the 16th century as a defensive structure to protect the nearby naval dockyard from enemy attacks. It is situated on the banks of the River Medway, overlooking the estuary and the surrounding countryside.
The castle is constructed of red brick and has a distinctive hexagonal shape. It is surrounded by a moat, which was originally filled with water from the river. The castle's walls are thick and sturdy, with battlements and gun ports for cannons. The main entrance is through a gatehouse, which is also fortified with defensive features.
Inside the castle, visitors can explore the various rooms and chambers, including the great hall, the gun room, and the kitchen. The castle's interior is well-preserved, with many original features still intact. Visitors can also climb to the top of the castle's tower for panoramic views of the surrounding area.
Upnor Castle played an important role in English history, particularly during the Anglo-Dutch Wars of the 17th century. It was also used as a prison during the Napoleonic Wars. Today, the castle is open to the public and is a popular tourist attraction. It is also used for various events and exhibitions throughout the year, including reenactments of historical battles and medieval festivals.