Afon Cwm-calch (Unclassified).
Grid Reference: SN 89998 97612. Parish: Llanbrynmair, Montgomeryshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Afon Cwm-cALCH (Unclassified).
Grid Reference: SN 90450 98453. Parish: Llanbrynmair, Montgomeryshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Allt Pwll-Calch (Topographic feature).
Grid Reference: SN 76899 28495. Parish: Llanddeusant, Carmarthenshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Banc Calch (Unclassified).
Grid Reference: SH 84113 36143. Parish: Llanycil, Merionethshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Bryn calch (Field).
Grid Reference: SJ 02319 70654. Parish: Cefn, Denbighshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Bryn calch (Field).
Grid Reference: SJ 05090 50272. Parish: Derwen, Denbighshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Buarth Calch (Field).
Grid Reference: SH 78181 48645. Parish: Penmachno, Caernarfonshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Buarth y Calch (Field).
Grid Reference: SH 90341 49682. Parish: Cerrigydrudion, Denbighshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Bwlch y Calch Homestead yard Garden etc (Field).
Grid Reference: SJ 07156 77293. Parish: Cwm, Flintshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Bwlch-y-calch (Unclassified).
Grid Reference: SH 63286 48461. Parish: Beddgelert, Caernarfonshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website