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


 

50th Birthday Family Fun Day - Sunday 21 September 2025

Join us for a day filled with fun for all of the family. There will be face painting, traditional fairground games, bouncy castle, fun dog show, music and tombola.

Further details: All welcome to help us celebrate 50 years of Wheal Martyn. Paint a 50th birthday tile, join a scavenger hunt in the grounds, get competitive in the traditional fairground game competition, have your face painted and design your own clay creation. Enter your doggies into the fun dog show, enjoy some local music & Morris dancing, try your hand in the tombola and enjoy some delicious treats in the café.

Time:    11.00am to 4.00pm

Price:    Adults £5.00, Children £3.00

Contact: info@wheal-martyn.com

Venue: Wheal Martyn Clay Works

Book now: https://www.wheal-martyn.com/Event/50th-birthday-family-fun-day 


 

Annown - music night - Thursday 02 October 2025

Performing original songs based on Cornish folklore and history, this acclaimed Cornish contemporary folk duo aim to collect the most interesting, sometimes amusing, events from Cornish history and put them to song. In style, they can be called ‘folkabilly’ as they draw on styles such as rockabilly, delta blues and 50s rock & roll combined with more traditional Cornish elements.

Bar open on the day and pre-booked pasties are available at point of booking.  Proceeds raised from the event supports the charitable work of the Wheal Martyn Trust (Charity no. 1001838).

Doors open at 6.30pm, performance starts at 7.00pm. 

Tickets cost £5.00 - £15.00 per person (age 12 and under free)

Optional extra:  Pre-ordered pasties £6.95

Book now: https://www.wheal-martyn.com/Event/annown-at-wheal-martyn


 

Wine & Wisdom fundraising evening - Thursday 16 October 2025

Join us on Thursday 16 October for our ‘Wine & Wisdom’ fundraising quiz evening at Wheal Martyn Clay Works.

Enjoy a fun evening with friends, family or work colleagues, whilst supporting Wheal Martyn Trust in raising funds for its charitable work. This includes making the heritage of Cornwall’s china clay mining industry more accessible, and providing related educational opportunities within our communities. There will be a variety of questions to cater for a wide range of interests.

Teams of up to six people can register for only £10 per person.  First bottle of wine and nibbles will be provided on your tables and the bar will be open!

Doors open at 7.00pm for a 7.30pm start.

Pre-booking essential.

Book tickets: https://www.wheal-martyn.com/Event/wine-wisdom-fundraising-evening-16-oct


 

Spooky Trail - Saturday 18 October 2025 to Saturday 01 November 2025

Follow the trail around Wheal Martyn to discover all of the spooky sprites’ hiding places. Each sprite will reveal a clue for your activity sheet!  

Available daily, from 10am until 5pm.

Price: Included in standard museum admission

Contact: Sian Powell – Engagement Officer: engagementofficer@wheal-martyn.com 
 
Location: Wheal Martyn grounds


 

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


 

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