Introduction

This was a horse tramway. The Act was approved in 1811 for a tramway to extend the Brecknock and Abergavenny Canal at Brecon north east to Eardisley. In 1860 the line was divided and would be converted to standard gauge railway, although portions were realigned. - Hay to Three Cocks Junction was jointly owned by the Hereford, Hay and Brecon Railway and the Mid Wales Railway - Three Cocks Junction to Talyllyn was owned by the Mid Wales Railway - Talyllyn to Brecon was owned by the Brecon and Merthyr Railway