Trewern Outdoor Activity Centre offers courses to schools in field studies, outdoor and adventurous activities, and are open for use by groups or individuals at weekends and during school holidays. The Centre is situated in beautiful countryside on the border between England and Wales near the small market town of Hay-on-Wye. With Trewern Outdoor Education Centre as your base you can strike out in almost any direction and find something to interest you, whether you are a casual visitor or serious student.