Turn Old Portsmouth into a giant outdoor escape room: follow maps, decode clues and visit atmospheric taverns as you hunt for Nelson’s stolen diamonds. A 2–3 hour, 3 km urban walk packed with local history and a dramatic reveal.
More ways to explore the area's outdoor wonders
The narrow streets of Old Portsmouth open like a riddle: cobbles underfoot, gulls arguing over the harbor, and the low, wood‑beamed doorway of The Dolphin where your Mystery Guide™ waits. You set off with a 44‑page booklet, maps and puzzles, and the city itself starts to press clues into your path — signage, plaques, and tavern corners offering the next hint.
Difficulty
moderate
Duration
2–3 hours
Fitness Level
Requires moderate fitness for walking, standing while solving puzzles, and navigating city streets; suitable for most adults and older children.
Wildlife
History
Portsmouth has been a naval and shipbuilding hub for centuries; Admiral Horatio Nelson served here and the city’s taverns and docks are deeply tied to Britain’s maritime past.
Conservation
The route runs through sensitive coastal and historic zones — stick to pavements and respect private property; support local businesses to help maintain these sites.
Reserve your spot on the Portsmouth Treasure Hunt The Mystery of Nelsons Stolen Diamonds today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Bring a waterproof jacket
Portsmouth weather changes quickly; a lightweight waterproof keeps the booklet and clues dry during coastal squalls.
Wear comfortable walking shoes
Streets are paved and occasionally uneven — supportive shoes make the 3 km route and pub stops more enjoyable.
Charge your phone
You may want a phone for photos or quick research on historical references, though the game runs from the printed Mystery Guide™.
Plan pub breaks
Five traditional taverns are on the route; check opening times if you want to use them for rest or clues that involve interiors.
Comfortable walking shoes
Supportive shoes handle paved streets and occasional uneven cobbles.
Waterproof jacket
Protects the booklet and keeps you comfortable during coastal showers.
fall
Small daypack or bag
Carries the Mystery Guide™, water, and any purchases from taverns.
spring
Pen and small notepad
Handy for jotting answers, sketching maps or working through cipher puzzles.
winter