- The National Library of Wales Aberystwyth, phone 01970-632 800, is the principal library in Wales.
- Powys County Council has a new Archive resource at Unit 29, Ddole Road Enterprise Park, Llandrindod, LD1 6DF.
- Brecon Library is the nearest open library
- A mobile library visits Sennybridge & Defynnog on the first Wednesday of each month.