Illustration of small costumed figures and a witch playing on a sunny lawn with pumpkins, hay bales, a tent and orange trees (Trick or Treat Trail)

Trick or Treat Trail

Visitors venture into the historic castle where spooks and spirits are out in force for Halloween. Participants search the grounds to find the site's four scariest inhabitants and solve a puzzle. Those brave enough to complete the challenge may receive a treat.

Map It Details Official site

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Plan Your Visit

Website / Tickets

cadw.gov.wales

When

Tickets

Members: Free; adult: £14.90; family (2 adults and up to 3 children): £47.70; family (1 adult and up to 3 children): £32.80; disabled person and companion: Free; juniors aged 5–17 and students: £10.40; seniors aged 65+: £13.40. Children under 5 receive free entry. Cadw £1 tickets are for those on Universal Credit and other named benefits. Students must show a student photo ID card on entry. Blue Light Card holders and HM Armed Forces & Veterans receive 10% off individual admission; this discount is not available online.

Hours

10:00 - 16:00 on Saturday 31 October and Sunday 1 November 2026.

Accessibility

The castle features uneven steps, steep towers, gravel paths, and cobbles that may challenge mobility scooters.

Going?

Location

See it and nearby events on the map
Castell Caernarfon · Castle Ditch, Caernarfon LL55 2AY Get Directions

Local Insight & Ratings

Scare Factor

👻 👻 👻 👻 👻 (2/5)

Family Friendly

👶 👶 👶 👶 👶 (4/5)

Best For

Families with children who enjoy mildly spooky puzzles

Vibe

Spooky and playful

Energy Level

Moderate

Photo Friendly

Moderate

Weather Sensitivity

Moderate

Tips & Advice

  • You do not need to book tickets in advance for this event.
  • Wear sensible footwear, as historic steps can be uneven and potentially slippery when wet.
  • Only assistance dogs are permitted on Saturday, but dogs on short leads may access ground floor areas on Sunday.

Special Events & Promotions

  • Blue Light Card holders and HM Armed Forces and Veterans receive 10% off individual admission; the discount is not available online.
  • Cadw £1 tickets are available for people on Universal Credit and other named benefits.

Links & Contact

Website / Tickets

Halloween Events Near Me is an independent guide, not the organizer of this event. For tickets, entries, vendor spots or questions, contact the organizer directly through their website.

Frequently Asked Questions

Do I need to book tickets in advance?

No, you do not need to book tickets for this event.

What do participants do during the trail?

Visitors explore the castle to track down four of its scariest inhabitants and solve a puzzle to earn a potential treat.

Are dogs allowed at the event?

Assistance dogs only are allowed in October, while dogs on short leads are welcome to access ground floor levels of the site starting 1 November.

Where can visitors park?

There are pay-and-display car parks located in and around Caernarfon town, including a long-stay public car park at the waterfront adjacent to the castle.

Always check the official website for the most current information.

We've done our best to keep details up-to-date, but event schedules, prices, and policies can change. For the latest updates, please visit the official website or contact the organizers directly. Halloween Events Near Me is an independent guide and isn't affiliated with the events we list.

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Contributors & Updates

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