St Mawes Castle
Image: St Mawes Castle
Image: Children play with cannon at St Mawes Castle
Image: St Mawes Castle
Direction Map

Open daily, 10am - 5pm (last entry at 4.30pm)

See full prices and opening times
Address
Castle Drive, St Mawes, Nr Truro, Cornwall, TR2 5DE
Three people walk on a single track road towards a ruined Castle built on a hill.

Heritage Open Days this September

Every September, Heritage Open Days offer free events across England, celebrating our heritage and history. In 2025, events will take place from Friday 12 to Sunday 21 September.

Thanks to our dedicated volunteers, partners and supporters, you can enjoy a variety of free in-person events including walking and guided tours, interior openings and more.

This site is proud to be part of Heritage Open Days 2025.

Discover what's on
Pendennis and St Mawes guidebook

Guidebook: Pendennis and St Mawes

Price: £5.00

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Membership starts from £42

Membership gives you unlimited access to castles and gardens, historic houses and abbeys, and kids go free...

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UNLIMITED ACCESS TO OVER 400 HISTORIC PLACES

Live and breathe the story of England at royal castles, historic gardens, forts & defences, world-famous prehistoric sites and many others.

FREE ENTRY FOR UP TO SIX CHILDREN

Free entry for up to six children accompanied by an adult member (under 18 years and within the family group).

FREE HANDBOOK TO PLAN INSPIRING DAYS OUT, WORTH £10.95

Complimentary full colour handbook worth £10.95. Plus our award winning Members’ Magazine delivered three times a year.

FREE OR REDUCED ENTRY TO OUR EXCITING EVENTS