Afon Cwm-hesgen (Unclassified).
Grid Reference: SH 78845 29653. Parish: Trawsfynydd, Merionethshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Afon Hesgyn (Unclassified).
Grid Reference: SH 88480 43848. Parish: Llanfor, Merionethshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Afon Hesgyn (Unclassified).
Grid Reference: SH 88677 41747. Parish: Llanfor, Merionethshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Bryn yr hesglwyn House garden Yard etc (Field).
Grid Reference: SN 99539 80147. Parish: Llandinam, Montgomeryshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Bryn-yr-hesglwyn (Unclassified).
Grid Reference: SN 99351 80145. Parish: Llandinam, Montgomeryshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Cae bach Tynygelhesg (Field).
Grid Reference: SH 50198 38161. Parish: Criccieth, Caernarfonshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Cae Hesgyn (Field).
Grid Reference: SH 84763 48423. Parish: Tir Ifan, Denbighshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Cae Hesgyn bach (Field).
Grid Reference: SH 84676 48505. Parish: Tir Ifan, Denbighshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Cae Rhesg (Field).
Grid Reference: SN 91443 31521. Parish: Is-Clydach, Brecknockshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Cae tyn y gethesg (Field).
Grid Reference: SH 50156 38152. Parish: Criccieth, Caernarfonshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin