Map No. 146, Lampeter & Llandovery / Llanbedr Pont Steffan a Llanymddyfri, in the waterproof & tear-resistant OS Active version of the Ordnance Survey Landranger series at 1:50, 000, including Aberaeron, Aberath, Bethania, Llangeitho, Blaenpennal, Tregaron, Llwyn-y-groes, Llanddewi-Brefi, Llundain-fach, Gilfachreda, Ciliau Aeron, Llanarth, Mydroilyn, Talgarreg, Temple Bar, Cwrtnewydd, Rhydowen, Dre-fach, Cwmann, Ffarmers, Rhandirmwyn, Cilycwm, Pumsaint, Rhydcymerau, Llanbydder, Llanysul, Pencader, Llanllwni, Gwernogle, Alltwalis, Llanpumsaint, Llansawl, Abergorlech, Talley, Brechfa, Horeb, Llanfynydd, Salem, Cwmifor, Llangadog, Muddfai & Talsarb, with part of the Llyn Brianne Reservoir, Brechfa Forest, the peaks od Bryn Mawr, Esgair Llethr & Craig Siarls, plus a small part of the Brecon Beacons National Park/ Parc Cenedlaethol Bannau Brycheiniog. Edition B2 with minor changes; Publication date April 2012 About Ordnance Survey