Allt-y-gest is a Site of Special Scientific Interest in Brecknock, Powys, Wales.
Blaen Cilieni is a Site of Special Scientific Interest in Brecknock, Powys, Wales.
Blaen Nedd is a Site of Special Scientific Interest in Brecknock, Powys, Wales.
Cae Bryn-tywarch is a Site of Special Scientific Interest in Brecknock, Powys, Wales.
Cae Pwll-y-bo is a Site of Special Scientific Interest in Brecknock, Powys, Wales. It is managed by the Brecknock Wildlife Trust and is noted for the globeflower.
Caeau Cwmcoynant is a Site of Special Scientific Interest in Brecknock, Powys, Wales.
Caeau Fferm is a Site of Special Scientific Interest in Brecknock, Powys, Wales.
Caeau Llwyn Gwrgan is a Site of Special Scientific Interest in Brecknock, Powys, Wales.
Caeau Nant y Llechau is a Site of Special Scientific Interest in Brecknock, Powys, Wales. It is the largest area of traditional unimproved hay meadow known in Brecknock. Over 110 species have been recorded in the grassland areas.
Caeau Ty-mawr is a Site of Special Scientific Interest in Brecknock, Powys, Wales.
Caeau Ty'n-llwyni is a Site of Special Scientific Interest in Brecknock, Powys, Wales.
Blaen-y-cwm Wood is a Site of Special Scientific Interest in Brecknock, Powys, Wales.
Coed Mawr – Blaen-Car is a Site of Special Scientific Interest in Brecknock, Powys, Wales.
Llofft-y-bardd is a Site of Special Scientific Interest in Brecknock, Powys, Wales.
Ogof Ffynnon Ddu-Pant Mawr is a Site of Special Scientific Interest in Brecknock, Powys, Wales.
Pentregwyn is a Site of Special Scientific Interest in Brecknock, Powys, Wales.
Pen-yr-hen-Allt is a Site of Special Scientific Interest in Brecknock, Powys, Wales.
Upper Chapel Pastures is a Site of Special Scientific Interest in Brecknock, Powys, Wales.
Vicarage Meadows is a Site of Special Scientific Interest near Abergwesyn, Powys, Wales.
Y Gors is a Site of Special Scientific Interest in Brecknock, Powys, Wales.
