Aber Cerig-gwynion (Unclassified).
Grid Reference: SM 87579 37176. Parish: ,
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Accre Gwynion (Field).
Grid Reference: SJ 24400 71550. Parish: Flint, Flintshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Afon y Dolau-gwynion (Unclassified).
Grid Reference: SJ 01842 22549. Parish: Llangynog, Montgomeryshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Banc Cerig-gwynion (Unclassified).
Grid Reference: SN 85172 74180. Parish: Ysbyty Ystwyth, Cardiganshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Banc Cerig-gwynion (Unclassified).
Grid Reference: SN 85739 73608. Parish: Ysbyty Ystwyth, Cardiganshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Bedw -gwynion (Unclassified).
Grid Reference: SH 87346 15756. Parish: Llanymawddwy, Merionethshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Bedw-gwynion (Settlement).
Grid Reference: SN 69844 39232. Parish: Cynwyl Gaeo, Carmarthenshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Beudy Caeau-gwynion (Unclassified).
Grid Reference: SH 56271 43343. Parish: Dolbenmaen, Caernarfonshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Bewderry gwynion (Field).
Grid Reference: SN 60365 07153. Parish: Llandeilo Tal-y-bont, Glamorgan
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Bron y blaidd Bryn Merltyn gwynion & allotment (Field).
Grid Reference: SJ 08595 73108. Parish: Tremeirchion, Flintshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin