The Square Tower is one of the oldest surviving parts of Portsmouth's fortifications, built to defend the city and harbour. Though it has gone through a number of usage changes, …
Southsea Castle was built in 1544 as part of a series of fortifications constructed by King Henry VIII to protect against invasion from France and the Holy Roman Empire. Soon …
The artillery fort at Southsea Castle was originally constructed by Henry VIII in 1544. Open April-October with free entry but the courtyard is open and interesting to visit at any time of year.
Nothing really to see anymore as the Fort is used by various organisations as offices (and for selling cars!) however, this is a good waypoint for planning rides along Portsdown …