Surrounding the Cornish town of St Austell and its neighbouring villages is a landscape well known for its clay tips and pits, created by the 250 year old clay mining industry. This striking and dramatic scenery, visible from distances of many miles, has been made more accessible by the development of trails for walking, cycling and horse riding. This former industrial area is being transformed by tree-planting and careful environmental management creating a haven for wildlife. 

Cornwall's scenic clay trails were first opened in March 2005 and new trails have continued to be made available, enabling visitors to enjoy this unique area of Cornwall. Discover these quiet pathways and enjoy the beauty and sense of peace they offer.

Nine Clay Trails: Maps and Routes

Here's links to five of them..

St Austell to Wheal Martyn (3.5km)
Wheal Martyn to the Eden Project (8km)
Eden Project to Bugle (6km)
Par Beach to Eden Project (6km)
Wheal Martyn to Sky Spur (3.5km)

More information also available from Cornwall Council.