Lightside

Lightside is to the east of Old Glossop, above Doctor's Gate

Lightside looks to have a circular feature, that may indicate an Iron Age settlement.

Lightside

There's also a probable Iron Age field system nearby, which shows up on the Shittern Clough lidar images...

Lightside lidar

Above image shows trees. Following one removes them...

Lightside lidar

And here's a map...

Brown Hill field boundaries