St Mawes Castle

Great British Summer Savings

To help celebrate the Great British Summer, VAT on family days out has been cut from 20% to 5% until 1 September – and we’re passing on every penny of savings to you. The saving will be automatically applied when you check out. And don’t forget, you get an extra 15% off tickets when you book in advance.

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

Heritage Open Days this September

Every September, Heritage Open Days celebrate England’s heritage and history with free events across the country.

This year the festival is running from Friday 11 to Sunday 20 September 2026.

Click the red button below to see the events happening at this site and when you can visit for free. More events across the country will be available to view shortly.

Discover what's on
Pendennis and St Mawes guidebook

Guidebook: Pendennis and St Mawes

Price: £5.00

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A car-free Cornish adventure

Join Alice Keegan, founder of the Adventure Girls Club, as she travels by train, ferry and feet to explore beautiful Pendennis and St Mawes castles.

Membership starts from £44

Enjoy a whole year of unlimited days out at over 400 historic castles, abbeys, gardens, woodlands, ruins and more. Plus up to six kids go free with every adult member.

Join Now

UNLIMITED ACCESS TO OVER 400 HISTORIC PLACES

Live and breathe the story of England at royal castles, historic gardens, forts and 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 £12.95

Complimentary full colour handbook worth £12.95. Plus our award winning Members’ Magazine delivered three times a year.

FREE OR REDUCED ENTRY TO OUR EXCITING EVENTS