Tamar Valley Area of Outstanding Natural Beauty heritage guide Ann Marcer leads a morning walk at Devon Great Consols on Sunday, September 10.
The walk will follow the old railway to the site of the arsenic works and will return via Bedford mine.
The walk starts at 10am in the car park at Tamar Trails, Gulworthy and should finish by 1,30pm.
The full programme of Heritage Guide walks for this season can be found at www.tamarvalley.org.uk
There is no charge for the walks, but donations are welcome.