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Outer Defences | Fort Nelson Tour

Outer Defences | Fort Nelson Tour

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About This Event

Fort Nelson, perched above Portsmouth Harbour, invites visitors to delve into its formidable outer defences with a special guided tour on Saturday 19 September. Setting off promptly at 10:30 am, this engaging experience will lead participants through the extensive fortifications that once protected this historic Royal Navy site. Knowledgeable guides will be on hand to illuminate the strategic importance and historical context of these impressive structures, offering a fascinating glimpse into military engineering and past conflicts. The tour provides a unique opportunity to explore areas often unseen, uncovering the layers of defence designed to repel any threat. Tickets for this insightful exploration of Fort Nelson's outer defences are priced at £12.00 per person.

Discover Fort Nelson from a new perspective on a special guided tour.

Step beyond the walls and descend into Fort Nelson’s most impressive feature; a vast ditch cut to serve as the first line of defence.

On this tour, discover how the ditch was created and the vital role played in defending the Fort. For its imposing walls to the carefully designed defensive features found within. Along the way, gain a new appreciation for the engineering, labour & ingenuity that made Fort Nelson such a formidable stronghold.

Ditch Tours are available to pre-book on the following dates:

- Saturday 19 September 2026

- Saturday 20 March 2027

Tours at 10.30am and 2.00pm

Duration: 90 minutes

Tickets: £12

Capacity: 16 people per tour

Suitable for ages 12+

Please pre-book your tour.

The tour is not considered suitable for under 12’s due to the tour route.

Under 16s must be accompanied by an adult.

Unfortunately, the tour route is not accessible.

The tour involves changes in surfaces, and some steep slopes.

Fort Nelson is a scheduled ancient monument and contains areas of uneven ground.

Please wear sensible, sturdy footwear to tackle the uneven ground. Visitors wearing unsuitable footwear may be refused entry on health and safety grounds.

Please be aware that this tour is conducted outside. We therefore recommend you wear suitable clothing and bring refreshments for the weather conditions on the day as there are no facilities on the tour route.

Refunds

Refund requests will only be considered if made at least 7 days before the booked tour. Bookers can request a refund via Eventbrite. Please check your booking confirmation for instructions. Eventbrite fees will not be refunded.

Donations

As a charity, your donations help us bring history to life for generations to come through our historic collection, exciting demonstrations and immersive shows. Suggested donation £2.50.

Description supplied by the event organiser.

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Frequently asked questions

Outer Defences | Fort Nelson Tour takes place on Saturday, 19 September 2026 at 10:30.

Outer Defences | Fort Nelson Tour is held at Fort Nelson in Portsmouth (Portsdown Hill Road, Portchester, PO17 6AN).

Tickets for Outer Defences | Fort Nelson Tour are priced at £12. Live prices and availability are shown on Eventbrite.

Tickets for Outer Defences | Fort Nelson Tour can be booked via Eventbrite using the "Check Tickets & Live Prices" button on this page, which opens the official booking site in a new tab.

Staying overnight?

Hotels within walking distance of Fort Nelson.

Searching near Portsdown Hill Road, Portchester, PO17 6AN
Check-in: Saturday, 19 September 2026
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Price

£12

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