This 26 mile route takes you through the heart of the Welsh Valleys. You walk the mountain ridges of Mynydd Machen and Mynydd Manmoel, both with panoramic views. And pass through Sirhowy Valley Country Park with its two nature reserves. Enjoy the 17th Century mansion, Tredegar House, the end of your walk can be celebrated by visiting a monument to Aneurin Bevan, the NHS pioneering MP who was born at Tredegar.