Buy a ticket - timed slots Please note: Wheal Martyn is currently closed due to Coronavirus restrictions. All visitors to Wheal Martyn now need to pre-book timed arrival slots online to ensure a safe flow of visitors, including Residents’ Pass holders. This will ensure social distancing guidelines can be maintained. Once you arrive, you can stay as long as you like, within our opening hours. Read more about the new safety measures here. Ticket prices and offers See ticket prices here. Our Cornwall Residents Pass is now available until 31 March 2021, offering discounted admission for local residents. If you are a Friend of Wheal Martyn or a member of the China Clay History Society, you can purchase free entry to the above organisations in January via their websites. Book a time slot using the button below, which will take you to the Art Fund website. Buy a ticket