Afon Bryn-saeth (Unclassified).
Grid Reference: SH 71414 40783. Parish: Maentwrog, Merionethshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Bryn Saeth (Field).
Grid Reference: SH 71853 40654. Parish: Maentwrog, Merionethshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Bryn saeth marchog (Field).
Grid Reference: SJ 07583 50038. Parish: Gwyddelwern, Merionethshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Bryn y saeth (Settlement).
Grid Reference: SH 71624 40694. Parish: Maentwrog, Merionethshire
When recorded: 1699. Primary Source: Parochialia 2. Secondary Source: none

Bryn y Saeth (Topographic feature).
Grid Reference: SJ 10429 80313. Parish: Llanasa, Flintshire
When recorded: 1699. Primary Source: Parochialia 1. Secondary Source: none

Bryn-saeth (Unclassified).
Grid Reference: SH 71623 40695. Parish: Maentwrog, Merionethshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Brynsaeth marchog (Field).
Grid Reference: SJ 07616 50060. Parish: Gwyddelwern, Merionethshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Bwl Saetha issa (Field).
Grid Reference: SH 85964 49849. Parish: Tir Ifan, Denbighshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Bwl saetha ucha (Field).
Grid Reference: SH 85965 49751. Parish: Tir Ifan, Denbighshire
When recorded: 1840. Primary Source: none. Secondary Source: Cynefin

Bwlch y Saethau (Unclassified).
Grid Reference: SH 61334 54348. Parish: Beddgelert, Caernarfonshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website