Litle Rhos-y-pennau (Unclassified).
Grid Reference: SO 08919 87295. Parish: Kerry, Montgomeryshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Llyn y Pennau (Unclassified).
Grid Reference: SJ 00344 24542. Parish: Llangynog, Montgomeryshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Nant llyn y Pennau (Unclassified).
Grid Reference: SJ 00718 24432. Parish: Llangynog, Montgomeryshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Pennau wergloddiau (Field).
Grid Reference: SH 40158 44529. Parish: Llanaelhaearn, Caernarfonshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Pont Rhyd-y-pennau (Unclassified).
Grid Reference: SN 62662 85892. Parish: Geneu'r Glyn, Cardiganshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Pont Rhyd-y-pennau (Unclassified).
Grid Reference: SN 62858 85888. Parish: Geneu'r Glyn, Cardiganshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Pwll Pennaur (Field).
Grid Reference: SO 10228 23952. Parish: Llanfeugan, Brecknockshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Rhos-y-pennau (Unclassified).
Grid Reference: SO 08915 87500. Parish: Kerry, Montgomeryshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Rhyd-y-pennau (Unclassified).
Grid Reference: SN 62981 85820. Parish: Tirymynach, Cardiganshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website