Visit Plan your visit Find us Address Wheal Martyn St Austell Cornwall PL26 8XG By car Just minutes from the A30 in mid-Cornwall, we are within easy reach and no more than 1.5 hours’ drive from anywhere in Cornwall. We are located in the village of Carthew, between St. Austell and Bugle on the B3274 – 2 miles north of St. Austell and 6 miles from the Innis Downs junction on the A30 dual carriageway. We have a car park, including disabled parking close to the museum. By train We are a 40 minute walk or a 10 minute drive from St Austell train station. There is a taxi service based at the train station (A2B Taxis). Other local taxi services: Spot On Cabs Star Cars By foot or bike Why not go eco-friendly and walk or cycle here? The Clay Trails are a collection of multi-use trails for cycling, walking, horse-riding and wheelchairs. They are short, easy to navigate and traffic free trails, connecting Wheal Martyn with Bugle, the Eden Project and St Austell, including local bus and train stations. You can also use the trails to discover the surrounding clay country’s unique industrial landscape, flora and fauna.