Guide cycliste (en anglais) - Cycling Lôn Las Cymru, 250 miles through the heart of Wales | Cicerone
Topoguide (en anglais) de l'éditeur Cicerone. Description fournie par l'éditeur : Guidebook to cycling Lôn Las Cymru, a 255 mile (410 km) route from Cardiff, or 242 mile (390 km) from Chepstow to Holyhead, showcasing Wales's beautiful rural heartland. Cycling is on quiet roads and traffic-free paths, and although there are some mountainous sections, gradients are mostly gentle. The route can be completed in 4-7 days.
The best time to go is between April and October when the days are longer and the weather is at its best.
The route passes through many of the main towns in the Brecon Beacons, Black Mountains, Cambrian Mountains and Snowdonia National Park.
The route can be ridden as a leisure ride or as a challenge and there are schedules for both types of rider. There are mountainous sections in Mid Wales but gradients are never severe and some, such as that up the Vale of Ewyas, barely perceptible until the very top.
Must See :
Lôn Las Cymru runs from Cardiff or Chepstow to Holyhead, passing through the heart of Wales. Translating loosely as Wales' Green Lane, it is the preeminent cycle route in Wales, passing through lush countryside, and following quiet lanes and former railway lines.