A Field on Rhiwfawr (Field).
Grid Reference: SJ 11029 17722. Parish: Llanfihangel-yng-Ngwynfa, Montgomeryshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Aber Rhiwliach (Field).
Grid Reference: SH 90752 21127. Parish: Llanymawddwy, Merionethshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Afon Rhiw (Unclassified).
Grid Reference: SJ 02576 03323. Parish: Llanfair Caereinion, Montgomeryshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Afon Rhiw (Unclassified).
Grid Reference: SJ 07200 02245. Parish: Llanwyddelan, Montgomeryshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

afon rhiw (Unclassified).
Grid Reference: SJ 00472 04751. Parish: Llanerfyl, Montgomeryshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Afon Rhiw (Unclassified).
Grid Reference: SJ 00572 04246. Parish: Llanerfyl, Montgomeryshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Afon Rhiw (Unclassified).
Grid Reference: SJ 04463 01515. Parish: Llanllugan, Montgomeryshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Afon Rhiw (Unclassified).
Grid Reference: SJ 02597 00708. Parish: Llanllugan, Montgomeryshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Afon Rhiw (Unclassified).
Grid Reference: SJ 08509 03589. Parish: Manafon, Montgomeryshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Afon Rhiw Saeson (Unclassified).
Grid Reference: SH 90011 04955. Parish: Llanbrynmair, Montgomeryshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website