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Cadw unveils an exciting lineup of spooky and spectacular events this Halloween at historic locations across Wales.

From ancient castles to mystical ruins, explore Wales’ rich heritage through a different lens this month with a series of engaging, hair-raising and immersive experiences.  

Whether you have a taste for all things scary or prefer something more mellow, Cadw’s autumn-themed activities have got you and your family covered. With events at well-known locations such as Beaumaris CastleCaerphilly Castle and Kidwelly Castle, there's no better way to create lasting memories this spooky season.

Here are just some of the events you can look forward to on Cadw’s jam-packed autumn calendar this month: 

Annwn (Caernarfon Castle)

Annwn sioe ysgafn / laser show

Experience the enchanting world of Annwn, where sonic wonders meet mesmerising laser visuals within the historic walls of Caernarfon Castle. This otherworldly laser and sound experience – brought to life by Welsh artists Gruff Rhys and lighting extraordinaire Chris Levine – will mix pioneering laser art, sound and nature on an epic scale at one of the greatest buildings of the Middle Ages. 

This is a ticketed event and booking is required. Event info: 27, 28 & 29 October, 18.00 – 23.00

Escape the Warlock’s Chamber of Doom (Conwy Castle)

Merch gyda phwmpen as Calan Gaeaf / Girl with pumpkin at Halloween

Uncover the secrets of Conwy Castle’s notorious magician, Maldwyn mab Diafol, whose empty prison cell remains a mystery even seven hundred and twenty years after his disappearance. Adventurers of all ages can put themselves in Maldwyn’s shoes and attempt to flee the magnificent medieval fortress in a thrilling escape room experience.

Event info: Saturday 28 & Sunday 29 October 11:00 – 15:00

Halloween Spooktacular Children’s Trail (Denbigh Castle) 

Prepare yourselves for an unforgettable Halloween adventure at Denbigh Castle. Follow the terrifying trail and discover the castle’s haunted history. Join the fun in your most creative costume for a day of frightful family delights and creepy crafts. 

Event info: Saturday 28 and Sunday 29 October, 10.00 – 16.00

Haunted History, and Folklore Evening Tour (Blaenavon Ironworks) 

Gwaith Haearn Blaenafon  / Blaenafon Ironworks

A twilight evening tour at Blaenavon Ironworks, Wales’ industrial giant, will lead you deep into the heart of Welsh legends and the local mysteries. Visitors will be immersed in the spooky tales, rich myths, and historic folklore of Blaenavon and Blaenau Gwent. Conclude your adventure at the World Heritage Site with a comforting hot drink and a delightful Welsh cake (to help stop the nightmares…).

Visitors are advised to arrive 15 minutes before the event starts, bring a small pocket torch, wet gear and sturdy shoes.

Event info: Sunday 29 October, 19:00 – 21.30

Dark Fairy Tale Weekend (Raglan Castle) 

Calan Gaeaf - tri o blant / Halloween - three children

Some scary characters are making themselves at home for the spooky season at Raglan Castle. Meet (or run away from) a collection of villains from the fantasy realm, as darkness settles over Raglan’s unmistakable silhouette. This fairy tale weekend gone wrong will soon be everyone’s favourite scary story. 

Event info: Saturday 28 & Sunday 29 October, 11:00 – 15:00 

Coch’s Creepy Halloween (Castell Coch)

Calan Gaeaf - merch mewn gwisg yn cario pwmpen / Halloween - girl in costume carrying pumpkin

There are plenty of chilling adventures to be had at Castell Coch during the half term holidays. Visit to experience a special Halloween quest that only the strongest spirits will be able to complete and be rewarded with a mysterious treat.

Event info: Saturday 28 & Sunday 29 October, and Saturday 4 & Sunday 5 November, 11:00 – 15:00

Caerphilly’s Halloween Evenings (Caerphilly Castle)

Take the night off from looking after your own little terrors to explore the perimeters of Caerphilly Castle, Wales’ mighty medieval fortress, and be entertained by terrifying tales of ghosts, spirits and more. The castle becomes spooky in the dark, so it’s best to bring a torch to ward off anything sinister lurking in the shadows. Booking is required for these events. 

Event info: Friday 27 & Monday 30 October, 18:00 – 20:00 & 20:30 – 22:30 

Spooky Welsh Tales and Bat Hunt (St. Davids Bishop’s Palace)

Visit the glorious St. Davids Bishop’s Palace and listen to traditional Welsh folktales within its vaults, in an experience that’s scary enough to send shivers down your spine. If that’s not spooky enough, visitors can venture deeper into the historic building and find out all about its resident bats. You might even catch a glimpse of a real one in the shadows...

Event info: Tuesday 31 October, 10:30 – 16:00

Halloween Spooktacular (Laugharne Castle) 

plant mewn gwisgoedd Calan Gaeaf / children in Halloween costumes

Gather friends and family for a spooktacular spectacle at Laugharne Castle. Set out on a spine-tingling journal along the Halloween trail, where mysteries and surprises lurk around every corner. Follow the eerie path for the chance to earn a special trick… or treat. 

Event info: Sunday 29 October, 10:00-16:00

An Evening of Ghost Stories (Various locations)
An adults-only event, wrap up warm and prepare for an evening dedicated to the captivating world of local ghost stories and legends, brought to life by talented storytellers. There will be two sessions throughout the evening, and with limited spots available, advanced booking is essential. 

Event info: 

Kidwelly Castle: Monday 30 October, 18:30 & 20:30

Tretower Court and Castle: Tuesday 31 October, 18:00 & 20:30

Visit the What's On area for a full list of Cadw events.

For those looking to take advantage of the events available during the half term holidays, Cadw membership offers free event entry and unlimited access to over 130 historic places across Wales, offering a unique way to explore Wales’ rich heritage. 

There are over 130 historic places to visit and 1,000 reasons for us all to become a Cadw member. Find out more at Cadw Membership