Wheal Martyn Clay Works

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Discover Cornwall's secret at the UK's only china clay museum, set within 26 acres of atmospheric woodlands. 

Check out the original Victorian clay works, bursting at the seams with tools and machinery. Explore the real-life stories and tales of the industry which shaped the landscape and lives of people in mid-Cornwall. Find out about Cornwall's largest mining industry, past and present, and catch a glimpse of modern machines in action in the working clay pit. 

Take a stroll along the nature trails, woodland walks and adjoining 'Clay Trails', scattered with nature and heritage. Why not bring your dog along too? On your way, see if you can find the workers' historic crib hut, view the rather curious settling tanks and beautiful vintage vehicles, and see Cornwall's largest working water wheel.

Explore the interactive Discovery Centre indoors, featuring displays and exhibitions. Test your understanding of local dialects, try your strength against the village tug-o-war team and meet a Victorian kettle boy.

Children can get active on the adventure trail, dive into the dressing up box and let off steam in the play area. Keep an eye out for our exciting activities throughout the year! 

Facilities

  • Dogs Welcome
  • WC
  • Disabled Access
  • Disabled WC
  • WiFi Available
  • Food & Drink
  • Picnic Area
  • Shop
  • Outside Seating

Opening Times

  Open Closed
Daily 10am 5pm

Opening hours: 10.00am - 4.00pm (winter) and 10.00am - 5.00pm (summer).

Prices

Adult 16+ £15.00
Children 0-5 FREE
Children 5-15 £7.00
Family Saver - 2 adults and 2 children £38.00
Family Saver - 2 Adults and up to 4 children £48.00

Group discounts are available.

Contact Details

Wheal Martyn
Carthew
St. Austell
PL26 8XG

Telephone: 01726 850362
Email: info@wheal-martyn.com
Web: http://www.wheal-martyn.com

Social Media

Upcoming Events

50 Years of Wheal Martyn exhibition - Friday 05 September 2025 to Tuesday 23 December 2025

his year we are celebrating 50 years of Wheal Martyn as a museum, and this exhibition will chart the many changes that the museum has undergone throughout the decades.

Enjoy the story from 1975, when the museum first opened, until today and hear about the exciting milestones we have reached. 

Time:         10.00am to 5.00pm
Price:         Included in standard museum admission
Contact:     engagementofficer@wheal-martyn.com
Location:     Roger Preston Gallery


 

Helm DeVegas at Wheal Martyn - Thursday 06 November 2025

Described as 'A treat to the auditory senses', Helm & the ASB hail from Cornwall. They are a band under the influence of folk, blues and country music. 

As well as an opportunity to experience some fantastic Cornish music, this event will be supporting the charitable work of Wheal Martyn Trust (Charity no. 1001838), with money raised from ticket sales contributing to our fundraising.

Time:         Doors open at 6.30pm, performance starts at 7.00pm
Price:         £5.00 - £15.00 per person (age 12 and under free)
Optional extra:  Pre-ordered pasties £6.95
Contact:     info@wheal-martyn.com 

For more info and to book: https://www.wheal-martyn.com/Event/helm-devegas-06-november-2025


 

Christmas Craft Fair - Saturday 15 November 2025 to Sunday 16 November 2025

Join us for our annual craft fair with lots of special individual gift ideas, including a variety of handcrafted goods made in Cornwall ranging from ceramics, bags, cushions and jewellery to upcycled furniture, crocheted toys, wood turned items and much more!

The café will be open offering delicious treats.

Time: 10.00am to 4.00pm
Price: Free entry to craft fair (normal admission fee applies to the museum and grounds)
Contact: sford@wheal-martyn.com 
Location: Atrium & Discovery Centre


 

Festive Fun Day and Father Christmas - Saturday 13 December 2025

Dress up in your fun festive finery and explore the museum and woodland trails to celebrate the festive season. We are incredibly excited that Father Christmas and his elf will be joining us for the day and sharing a special Christmas story!

There will be lots of activities on offer, including clay decorations.

Tickets are £3.00 for adults and £10.00 per child which includes visiting Father Christmas and a small gift from Santa. A booked time slot is required. Pre-booking is required.

Activities will include making Elf and Reindeer crowns and Cornish Christmas cards, getting creative with clay decorations, conjuring up a Christmas wand, being spellbound by a festive story, exploring the Angel and sensory Reindeer Trail, tapping your feet to the tunes of the local band and choir, and popping along to the Christmas craft table!

After all the fun and action, pop in to the café for a festive treat and relax with a cup of something warm and one of our homemade cakes.

Those who wish to see Father Christmas will also need to purchase an entry ticket for the Festive Fun Day. 

Time: 11.00am to 3.00pm

Price: Adults £3.00, Children £10.00

Buy a combined ticket for the festive fun day and lantern trail for £5.00 adults, £14.00 for children

Contact: info@wheal-martyn.com 

Book online at https://www.wheal-martyn.com/Event/festive-fun-day-and-father-christmas-13-dec 


 

Lantern Trail - Saturday 13 December 2025

Enjoy an atmospheric lantern trail at Wheal Martyn to include lantern making, willow crafting, campfire and marshmallows, followed by a lantern lit walk around the historic grounds before ending at the Wheal Martyn atrium for a festive sing-song!

The café will be open before serving festive treats. The event is a collaboration between Wheal Martyn and Choose Nature CIC with proceeds from entry supporting fundraising for both organisations.

Booking required.

Time:     3.00-5.30pm

Price:     Adults £3.00, children £7.00

Buy a combined ticket for the festive fun day and lantern trail for £5.00 adults, £14.00 for children

Contact: info@wheal-martyn.com 

Book online at https://www.wheal-martyn.com/Event/lantern-trail-2025


 

Cornish Units Exhibition - Wednesday 14 January 2026 to Sunday 19 April 2026

This exhibition shares the story of the Cornish Unit home. Initially built as post-war social housing, many of these prefabs still exist today.

30,000 units were built by Selleck and Nichols, a subsidiary of English China Clays, to combat the housing crisis after World War 2.

Although problems occurred with the concrete, are there lessons from the design and build that could be learned today during another period of housing uncertainty?

Time:         10.00am to 4.00pm

Price:         Included in standard museum admission

Contact:     engagementofficer@wheal-martyn.com

Location:     Roger Preston Gallery

Special Offers

Present your device to the cashier

Present this voucher to receive £1.50 per person off the standard admission prices.

£1.50 off per person (max 6 persons) at Wheal Martyn Clay Works.

Not to be used in conjunction with any other offer or the family saver ticket.  

Valid for the 2025 season.

REF: For One & All Voucher