Royal Armouries Museum Portsdown Hill Road Fareham PO17 6AN Fort Nelson | Royal ArmouriesVisitor information about Fort Nelson in Fareham, near Portsmouth in Hampshire. Free entrance, opening times and pre-booking infoWith over 19 acres of tunnels, ramparts and artillery to explore, Fort Nelson is a space where imaginations can run wild. Overlooking Portsmouth Harbour, this restored Victorian fortress is packed with artillery from across the world. Highlights include https://www.royalarmouries.org/visit-us/fort-nelson