Darwen Tower

compo

I see many people ride up to Darwen Tower.
Indeed even the council endorses it
http://www.blackburn.gov.uk/upload/pdf/Cycling_around_Blackburn_and_Darwen.pdf

However, when I look on an OS map, I see only footpaths go up there.

Is it ok to ride?

Also, my dad is a beginner but will it be an ok ride for him?

Cheers