National Cycle Route 42

National Cycle Route 42
Route 42 signage
Length91 km (57 mi)
LocationWales and England
TrailheadsGlasbury – Gloucester
UseCycling
DifficultyModerate
SeasonAll year
Waymark 42 
SurfaceMixed (road, traffic-free sections)
Maintained byWalk Wheel Cycle Trust
WebsiteWalk Wheel Cycle Trust – Route 42
Trail map

Glasbury → Llanthony → Abergavenny → Usk → Pen-y-cae-mawr → Tintern → Chepstow → Cinderford → Gloucester

National Cycle Route 42 is a part of the National Cycle Network running from Glasbury in Mid Wales to Gloucester in England. It provides a north–south link from  8 , (Lon Las Cymru) to  4  and provides an alternative south route for Lon Las Cymru for those starting at Chepstow instead of Cardiff. It is also part of the Celtic Trail.