If you're not aware of the Trent Vale Landscape partnership, then you may find the following link of interest:
'There are always plenty of activities taking place in Trent Vale, which comprises 76 villages following the course of the River Trent in Nottinghamshire and Lincolnshire.
Trent Vale offers everything from guided walks, cycle routes, nature reserves, historic buildings, beautiful landscapes and fantastic pubs and restaurants'.
http://www.trentvale.co.uk/get-involved/