⛴ Lydney Canal (1m); Lydney & Pidcocks Canal (1⅜m), River Wye (99½m)
⛴ Monmouthshire Canal (9m), Crumlin Arm (10¾m), Brecon & Abergavenny Canal (33¼m)
⛴ Glamorganshire Canal (25½m), Bute Ship Canal (1⅜m), Doctor Thomas’s Canal (Treforest. 1m), Aberdare Canal (6¾m), Cyfarthfa Canal (2m)
⛴ River Neath (6½m), Red Jacket Pill Branch (¼m), Neath Canal (13m), Tennant Canal (8½m), Glan-y-wern Canal (1⅜m), Tir-isaf Branch (1m), Giant’s Grave & Briton Ferry Canal (½m), Mackworth’s Canal (⅛m), Britton Canal (4¼m)
⛴ Swansea (incl, Trewyddfa) Canal (16½m), Smith’s (Llansamlet) Canal (3m)
⛴ Bury, Loughor and Lliedi Rivers (14m), Penclawdd Canal (3½m), General Warde’s Yspitty Canal (1¼m), General Warde’s Dafen Canal (¾m)
⛴ Kilgetty Canal, Kidwelly & Llanelli Canal (18m), Pembrey Canal (2m), Ashburnham Canal (1⅜m)