List of routes in Zone 4 of the National Cycle Network

This is a list of National Cycle Routes in Zone 4 of the numbering scheme, namely: London (Greenwich) to Fishguard, in Wales, via Reading, Bath, Bristol, Newport, Caerphilly, Pontypridd, Swansea and Llanelli.

Source: Wikipedia — List of routes in Zone 4 of the National Cycle Network (CC BY-SA 4.0)