Cnwch mawr Sheepwalk (Field).
Grid Reference: SN 68286 54101. Parish: Llanddewi-Brefi, Cardiganshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Cnwch Rhiw-halog (Unclassified).
Grid Reference: SN 79524 52329. Parish: Caron-uwch-clawdd, Cardiganshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Cnwch Sheepwalk (Field).
Grid Reference: SN 67868 54462. Parish: Llanddewi-Brefi, Cardiganshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Cnwch y bont (Field).
Grid Reference: SN 74185 72569. Parish: Ysbyty Ystwyth, Cardiganshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Cnwch y eithyn (Field).
Grid Reference: SN 68618 66106. Parish: Upper Lledrod, Cardiganshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Cnwch yr Arian (Topographic feature).
Grid Reference: SN 69102 78868. Parish: Cwm Rheidol, Cardiganshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Cnwchbach (Field).
Grid Reference: SN 73355 65634. Parish: Upper Gwnnws, Cardiganshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Cnwchbach (Field).
Grid Reference: SN 73355 65634. Parish: Upper Gwnnws, Cardiganshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Cnwch-côch (Unclassified).
Grid Reference: SN 67718 74986. Parish: Lower Llanfihangel-y-Creuddyn, Cardiganshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Coed Cnwch (Unclassified).
Grid Reference: SN 73475 65309. Parish: Caron-uwch-clawdd, Cardiganshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website