For walks a bit further away, try these website for details.
Not all work well on a phone, so try a computer or tablet if you have one, and most use grid references so you may need a paper map or walking App to get round them.
www.derbyshire-peakdistrict.co.uk/belperwalk.htm
www.alltrails.com/trail/england/derbyshire/belper-circular-walk
www.derbyshirelife.co.uk/out-about/walks/
www.visitambervalley.co.uk/get-active/walking-and-riding.aspx