[Closed] Lower Churnet Valley knowledge required

I got speaking to a guy on a ride recently who mentioned some quality singletrack near the JCB test-track area of lower Churnet, we weren't chatting for long enough to get specifics. I know the area West of Alton Towers very well but I've hardly ventured over to the test-track area.

Can anyone shed any light on how I can extend this ride at it's 12km marker point to take in some more singletrack in the area just East of Alton Towers? Looks like there's quite a lot to go at but a lot of it is private land, fenced off by JCB?

http://www.endomondo.com/workouts/p5_fzRVaJrY