Allt Cae-cyfrwy (Topographic feature).
Grid Reference: SN 77429 31689. Parish: Myddfai, Carmarthenshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Careg Trwyn-y-cyfrwy (Unclassified).
Grid Reference: SM 75802 23989. Parish: ,
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Careg y Cyfrwy (Unclassified).
Grid Reference: SJ 05742 27653. Parish: Llangynog, Montgomeryshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Cyfrwy (Field).
Grid Reference: SJ 18770 08992. Parish: Welshpool, Montgomeryshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Cyfrwy (Unclassified).
Grid Reference: SN 09237 44119. Parish: Moylgrove, Pembrokeshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Cyfrwy (Unclassified).
Grid Reference: SN 11795 48516. Parish: ,
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Cyfrwy (Unclassified).
Grid Reference: SN 04924 41284. Parish: ,
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Cyfrwy (Field).
Grid Reference: SJ 18770 08992. Parish: Welshpool, Montgomeryshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Cyfrwy (The Saddle) (Unclassified).
Grid Reference: SH 69859 13544. Parish: Brithdir and Islawr-dref, Merionethshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Pant-y-cyfrwy (Unclassified).
Grid Reference: ST 20065 90346. Parish: Machen Upper, Monmouthshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website