Caerhydsaeson isaf (Field).
Grid Reference: SN 58130 78473. Parish: Llanychaiarn, Cardiganshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Caerhydsaeson uchaf (Field).
Grid Reference: SN 58060 78325. Parish: Llanychaiarn, Cardiganshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Caersaeson (Unclassified).
Grid Reference: SH 67677 38645. Parish: Maentwrog, Merionethshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Cefn Saeson Dingle (Unclassified).
Grid Reference: SS 76725 96521. Parish: Neath, Glamorgan
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Cefn-Saeson-fâch (Unclassified).
Grid Reference: SS 77873 96195. Parish: Tonna, Glamorgan
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Cefn-Saeson-fawr (Unclassified).
Grid Reference: SS 77436 96337. Parish: Neath, Glamorgan
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Clawdd y Saeson (Unclassified).
Grid Reference: SS 69389 93612. Parish: Coedffranc, Glamorgan
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Cnwc Saeson (Field).
Grid Reference: SN 20120 48198. Parish: Cardigan, Cardiganshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Cnwc Saeson (Field).
Grid Reference: SN 20200 48320. Parish: Cardigan, Cardiganshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Cnwc Saeson (Field).
Grid Reference: SN 20296 48389. Parish: Cardigan, Cardiganshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin