Been there was hoping someone would have somewhere different x
Bestwood, Shipley country Park, rother Valley, hardwick, Pleasley pit, clumber Park, sherwood pines, chatsworth Not been but Colwick, rushcliffe country Park, poolsbrook, Linacre Reservoirs https://peakdistrictkids.co.uk/search-walks/ if wanting walks futher this is good
Gedling is a great walk with a playground, Rufford too