Hay-on-Wye Home Page
The official website for Hay-on-Wye
Guardian Hay Festival
The Hay Festival is an international festival production company based in Wales that celebrate great writing in every medium in Britain and around the world.
Hay-on-Wye in Wikipedia
An interesting Wikipedia entry
Ordinance Survey Map
Sheet 161: Llanigon, Hay-on-Wye and the Mountains