Cuckoo Trail, East Sussex
East Sussex's Cuckoo Trail is a deservedly popular slice of family cycling, taking 11 miles to follow an old railway line from Polegate to Heathfield. It's quiet, mostly flat and free from traffic making it perfect for youngsters ready to practise riding longer distances. There are plenty of spots for stops plus sculptures along the route.
Details www.sustrans.org.uk; www.eastsussex.gov.uk