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Monmouthshire and Brecon Canal

The Monmouthshire and Brecon Canal is a narrow canal and is part of the Waterways of Mainland Britain. It runs for 34 miles and 2½ furlongs through 6 locks from Five Locks Road (which is a dead end) to Theatre Basin (which is a dead end).

The maximum dimensions for a boat to be able to travel on the waterway are 64 feet and 9 inches long and 9 feet and 1 inch wide. The maximum headroom is not known. The maximum draught is not known.

Notable features of the waterway include: Ashford Tunnel and Brynich Aqueduct

Five Locks Road Limit of navigation
Five Locks Basin	½ furlongs	0 locks
Cwmbran Tunnel	2¼ furlongs	0 locks
Bevan's Bridge	5 furlongs	0 locks
Solomon’s Bridge No 47	6 furlongs	0 locks
Lansdowne Winding Hole	6¾ furlongs	0 locks
Crown Bridge No 48	7½ furlongs	0 locks
Panteg Bridge No 49 Kemys Street Bridge	1 mile and 3 furlongs	0 locks
Union Bridge No 50 Coed y Gric Road Bridge	1 mile and 5¾ furlongs	0 locks
Rail Bridge No 50a	1 mile and 7¾ furlongs	0 locks
Coed-y-Gric No 51	2 miles	0 locks
Pontymoile Bypass Moorings	2 miles and 1¼ furlongs	0 locks
Pontymoile Bypass Bridge No 51a	2 miles and 1¼ furlongs	0 locks
Pontymole Basin Junction with the Monmouthshire Canal	2 miles and 1½ furlongs	0 locks
Pontymole Footbridge No 52	2 miles and 1½ furlongs	0 locks
Aqueduct No 18	2 miles and 2 furlongs	0 locks
Afon Lwyd Aqueduct No 17	2 miles and 2½ furlongs	0 locks
Aqueduct No 16	2 miles and 3 furlongs	0 locks
The Hwy Road Bridge No 53 Pontypool Road	2 miles and 3¾ furlongs	0 locks
Jockey Bridge No 55	2 miles and 6¾ furlongs	0 locks
Squires Bridge No 56 Usk Road Field Bridge	2 miles and 7¾ furlongs	0 locks
Usk Road Winding Hole	3 miles	0 locks
Cwmoody Winding Hole	3 miles and 3 furlongs	0 locks
Lower Wern Bridge No 57 Cwmoody Field Bridge No 1	3 miles and 3½ furlongs	0 locks
Upper Wern Bridge No 58 Cwmoody Field Bridge No 2	3 miles and 4¾ furlongs	0 locks
Keepers Bridge No 59	3 miles and 7 furlongs	0 locks
Govera Bridge No 60	4 miles	0 locks
Troed-y-Rhiw Bridge No 61	4 miles and 1¼ furlongs	0 locks
High Bridge No 62	4 miles and 3½ furlongs	0 locks
Mamhilad Bridge No63 Old Abergavenny Rd Field Bridge No 1	4 miles and 6¼ furlongs	0 locks
Skinners Bridge No 64 Old Abergavenny Rd Field Bridge No 2	4 miles and 7½ furlongs	0 locks
Mortimer's Bridge No 65 With Pipe Bridge alongside	5 miles and ½ furlongs	0 locks
Brook farm bridge No 66	5 miles and 1½ furlongs	0 locks
Pentre Lane Bridge No 67	5 miles and 3¼ furlongs	0 locks
Croes-y-pant Lane Bridge No 68	5 miles and 4¾ furlongs	0 locks
Field Bridge Wharf Private moorings	5 miles and 6½ furlongs	0 locks
High Houses Bridge No 69 Croes-y-pant Lane Field Bridge	5 miles and 6¾ furlongs	0 locks
Birdspool Bridge No 70	5 miles and 7¾ furlongs	0 locks
Croes-y-pant Winding Hole	6 miles and ½ furlongs	0 locks
Park-y-Brain Lower Bridge No 71	6 miles and 2¾ furlongs	0 locks
Park-y-Brain Lane Bridge No 72	6 miles and 3½ furlongs	0 locks
Park-y-Brain Field Bridge No 73 Penrehoel	6 miles and 5½ furlongs	0 locks
Saron Road Bridge No 74	6 miles and 7 furlongs	0 locks
Goytre Arm	7 miles and 1½ furlongs	0 locks
Goytre Aqueduct No 15	7 miles and 1¾ furlongs	0 locks
Goytre Wharf Boatyard	7 miles and 2 furlongs	0 locks
Goytre Marina	7 miles and 2½ furlongs	0 locks
Jenkin Rosser's Bridge No 75	7 miles and 3¾ furlongs	0 locks
Jenkin Rosser's Winding Hole	7 miles and 4¼ furlongs	0 locks
Preacher's Bridge No 76	7 miles and 6 furlongs	0 locks
Old Abergavenny Road Bridge No 77 Cottage Bridge	7 miles and 6¾ furlongs	0 locks
Mill Turn Bridge No 78	8 miles and 1 furlong	0 locks
Mill Turn Aqueduct No 14a	8 miles and 1½ furlongs	0 locks
Llanover Winding Hole	8 miles and 3¼ furlongs	0 locks
Lower Mount Pleasant Bridge No 79 Llanover Field Bridge	8 miles and 3¾ furlongs	0 locks
Mount Pleasant Upper Bridge No 80	8 miles and 5¼ furlongs	0 locks
Llanover Bridge No 81	8 miles and 6½ furlongs	0 locks
Llanover Bridge No 82 Pwllyrhwyaid Bridge	8 miles and 7¼ furlongs	0 locks
Beech Tree Bridge No 83	9 miles and 1¾ furlongs	0 locks
Ty-coch Bridge No 84	9 miles and 3 furlongs	0 locks
Thimbles Bridge No 85	9 miles and 4 furlongs	0 locks
Ochram Brook Aqueduct No 14 Embanked Aqueduct over Ochram Brook, Grade: II Listed	9 miles and 6 furlongs	0 locks
Ochram Turn Bridge No 86	9 miles and 6¾ furlongs	0 locks
Poplar Bridge No 87	10 miles	0 locks
Twyn-Glas Wharf	10 miles and ¾ furlongs	0 locks
Twyn-Glas Bridge No 88	10 miles and 1¼ furlongs	0 locks
Barn Bridge No 89	10 miles and 2 furlongs	0 locks
Morgan's Bridge No 90	10 miles and 4¾ furlongs	0 locks
Wooden Bridge No 91 Footpath to Llanellen a quarter of a mile	10 miles and 5¾ furlongs	0 locks
Heol Gerrig Bridge No 92	11 miles	0 locks
Llanellen Farm Bridge No 93	11 miles and 3 furlongs	0 locks
Aqueduct No 13	11 miles and 4¼ furlongs	0 locks
Castle Lower Bridge No 94	11 miles and 5¾ furlongs	0 locks
Castle Upper Bridge No 95	11 miles and 7¼ furlongs	0 locks
Incline Bridge No 95a Tod's Bridge	12 miles and 4 furlongs	0 locks
Church Lane Aqueduct No 12a (Llanfoist)	12 miles and 4 furlongs	0 locks
Llanfoist Wharf Boatyard and Incline Bridge	12 miles and 4 furlongs	0 locks
Aqueduct No 12	12 miles and 7¾ furlongs	0 locks
Govilon Turn Bridge No 96	13 miles and 2¼ furlongs	0 locks
Govilon Yard Bridge No 97	13 miles and 4 furlongs	0 locks
Govilon Winding Hole	13 miles and 4½ furlongs	0 locks
Govilon Wharf	13 miles and 4¾ furlongs	0 locks
Govilon Railway Bridge (disused)	13 miles and 5½ furlongs	0 locks
Station Road Bridge (Govilon) No 98 with footbridge alongside	13 miles and 7 furlongs	0 locks
Cwm Shenkin Brook Aqueduct No 11	13 miles and 7¾ furlongs	0 locks
Pen Padrig Arm	14 miles	0 locks
Govilon Aqueduct No 10	14 miles and ¾ furlongs	0 locks
Llanwenarth Field Bridge No 99	14 miles and 2¼ furlongs	0 locks
Humphreys Bridge No 100	14 miles and 3 furlongs	0 locks
Heol - yr -Allt Bridge No 101	14 miles and 5¼ furlongs	0 locks
Head of the Valleys Road Bridge	14 miles and 6¾ furlongs	0 locks
Ty - Gwynn Bridge No 102	14 miles and 7 furlongs	0 locks
Navigation Bridge No 103	15 miles and 3 furlongs	0 locks
Gilwern Aqueduct No 9 You can hear the stream/river but barely visable	15 miles and 3¾ furlongs	0 locks
Gilwern Wharf No 8a	15 miles and 4¼ furlongs	0 locks
Aqueduct No 8	15 miles and 4¼ furlongs	0 locks
Auckland Bridge No 104 Gilwern village	15 miles and 5 furlongs	0 locks
Malford Grove Winding Hole	15 miles and 6¾ furlongs	0 locks
Sand Bridge No 105	15 miles and 7 furlongs	0 locks
Ffynnon - yr -Eirin Bridge No 106	16 miles and 1½ furlongs	0 locks
Dan-y-Graig Bridge No 107	16 miles and 4¼ furlongs	0 locks
Dark Bridge No 109 Dan-y-Parc	17 miles and 3 furlongs	0 locks
Pen-Pedair Heol Winding Hole	17 miles and 4½ furlongs	0 locks
Pen-Pedair Heol Narrows	17 miles and 4¾ furlongs	0 locks
Pen-Pedair Heol Marina	17 miles and 5 furlongs	0 locks
Pen-Pedair Heol Bridge No 110	17 miles and 5¾ furlongs	0 locks
Wooden Bridge No 111 Pen-Pedair Heol Field Bridge No 1	17 miles and 6¾ furlongs	0 locks
Park Bridge No 112 Pen-Pedair Heol Field Bridge No 2	18 miles and ¼ furlongs	0 locks
Llwmws Bridge No 113 Park Farm field Bridge	18 miles and 2 furlongs	0 locks
Lower Yard Bridge No 114	18 miles and 4½ furlongs	0 locks
Llangattock Wharf	18 miles and 5 furlongs	0 locks
Upper Yard Bridge No 115	18 miles and 5¼ furlongs	0 locks
Llangattock Aqueduct no 7 It is over the Nant Onnau but not accessible or visible from towpath	18 miles and 6 furlongs	0 locks
Ffawyddog Bridge No 116	19 miles	0 locks
Dan-y-Garth Bridge No 117	19 miles and 4¾ furlongs	0 locks
Workhouse Bridge No 118 Dardy Bridge	19 miles and 6¾ furlongs	0 locks
Folly Bridge No 119 Dardy Field Bridge	20 miles and 1 furlong	0 locks
Baylis Bridge No 120	20 miles and 5¼ furlongs	0 locks
Aqueduct adjacent to Bridge No 121	20 miles and 6½ furlongs	0 locks
Llwyncelyn Bridge No 121	20 miles and 7 furlongs	0 locks
Glan Usk Bridge	21 miles and ¾ furlongs	0 locks
Fro Bridge No 122	21 miles and 3 furlongs	0 locks
Pen-y-Bryn Bridge No 123	21 miles and 4¾ furlongs	0 locks
Spitefull Inn Bridge No 124	21 miles and 6¼ furlongs	0 locks
Dyfant Bridge No 125	22 miles and ½ furlongs	0 locks
Aqueduct adjacent to Bridge No 125	22 miles and ¾ furlongs	0 locks
Aberhowy Bridge No 126 Very close to B4558	22 miles and 3½ furlongs	0 locks
Old house Bridge No 127	22 miles and 5½ furlongs	0 locks
Panteague Bridge No 128	22 miles and 7¼ furlongs	0 locks
Nant Cleisfer Aqueduct No 6	23 miles	0 locks
Cyffredyn Lane Road Bridge No 129	23 miles and ¾ furlongs	0 locks
Coed-Yr-Ynys Field Bridge no 130 Aberyall Bridge	23 miles and 2½ furlongs	0 locks
Llangynidr Bridge No 131 Yard Bridge	23 miles and 5½ furlongs	0 locks
Lower Lock Bridge No 132	24 miles	0 locks
Llangynidr Lock No 64	24 miles	0 locks
Cwm Crawnon Road Pipe Bridge	24 miles and ¾ furlongs	1 lock
Coach & Horses Bridge No 133	24 miles and ¾ furlongs	1 lock
Afon Crawnon Aqueduct No 5	24 miles and 1¾ furlongs	1 lock
Llangynidr Lock No 65	24 miles and 2 furlongs	1 lock
Cwm House Wharf Home of Country Craft Narrowboat Holidays	24 miles and 2¼ furlongs	2 locks
Coombes Lock Bridge No 134	24 miles and 2½ furlongs	2 locks
Llangynidr Locks No 66	24 miles and 4 furlongs	2 locks
Llangynidr Locks Nos 67	24 miles and 4¾ furlongs	3 locks
Llangynidr Locks Nos 68	24 miles and 5 furlongs	4 locks
Toffs Lock Bridge No 135	24 miles and 5½ furlongs	5 locks
Workhouse Bridge No 136	24 miles and 7 furlongs	5 locks
Dan-y-Graig Bridge no 137	25 miles and ¾ furlongs	5 locks
Parsons Bridge No 138	25 miles and 2¾ furlongs	5 locks
Llanddetty Bridge No 139	25 miles and 5¼ furlongs	5 locks
Llanddetty Footbridge Snake Bridge	25 miles and 6 furlongs	5 locks
Lower Wenallt Bridge No 140	25 miles and 7 furlongs	5 locks
Upper Wenallt Bridge No 141	26 miles and ¼ furlongs	5 locks
Ashford Tunnel (South end)	26 miles and 2 furlongs	5 locks
Ashford Tunnel (North end)	26 miles and 3¾ furlongs	5 locks
Graig-Las Bridge No 142 Travellers Rest Bridge-Brecon Day Boats	27 miles	5 locks
Travellers Rest Pipe Bridge	27 miles and ½ furlongs	5 locks
White Hart Bridge No 143 Next to White Hart Pub	27 miles and 1½ furlongs	5 locks
Talybont Railway Bridge (disused)	27 miles and 1¾ furlongs	5 locks
Talybont Aqueduct No 4	27 miles and 2 furlongs	5 locks
Talybont Drawbridge No 144	27 miles and 3¼ furlongs	5 locks
Beniah Bridge No 145	27 miles and 4¾ furlongs	5 locks
Chilson Bridge No 146	27 miles and 6 furlongs	5 locks
Cross Oak Bridge No 147	28 miles and 1 furlong	5 locks
Cross Oak Lift Bridge No 148	28 miles and 2½ furlongs	5 locks
Gathinog Lift Bridge No 149	28 miles and 3¾ furlongs	5 locks
Penawr Lift Bridge No 150	28 miles and 4¾ furlongs	5 locks
Penawr Bridge No 151	28 miles and 6 furlongs	5 locks
Castle Bridge No 152	29 miles and 2¼ furlongs	5 locks
Cross Keys Bridge No 153	29 miles and 3½ furlongs	5 locks
Pencelli Bridge No 154	29 miles and 4¼ furlongs	5 locks
Pencelli Court Lift Bridge No 155	29 miles and 5¼ furlongs	5 locks
Low Bridge No 156	29 miles and 7¾ furlongs	5 locks
Llanbrynean Bridge No 157	30 miles and 3 furlongs	5 locks
Nant Manascin Aqueduct No 3	30 miles and 4¾ furlongs	5 locks
Stonehouse Bridge No 158	30 miles and 6 furlongs	5 locks
Ty-Newydd Lower Bridge No 159	30 miles and 7¼ furlongs	5 locks
Ty-Newydd Marina	30 miles and 7½ furlongs	5 locks
Ty-Newydd Upper Bridge No 160	31 miles and ¾ furlongs	5 locks
Bell Ear Bridge No 161	31 miles and 5¾ furlongs	5 locks
Brynich Turn Bridge No 162	31 miles and 7¾ furlongs	5 locks
Brynich Aqueduct (south end) No 2 Also called River Usk Aqueduct	32 miles and ¼ furlongs	5 locks
Brynich Aqueduct (north end) Over River Usk	32 miles and ¾ furlongs	5 locks
Cefn Brynich Bridge No 163 Groesffordd Road Bridge	32 miles and 1¾ furlongs	5 locks
Brynich Lock No 69	32 miles and 1¾ furlongs	5 locks
Cefn Brynich Aqueduct No 1	32 miles and 5¾ furlongs	6 locks
Brynich Bridge No 164 A40 Field Bridge	32 miles and 6¼ furlongs	6 locks
Brecon Flyover Bridge No 165a Brynich Bridge Long Road Bridge (68yds) under the A40 dual carriageway	32 miles and 7¾ furlongs	6 locks
Watton Road Bridge No 165	33 miles and 7½ furlongs	6 locks
Gasworks Lane Road Bridge No 166	34 miles and 1¾ furlongs	6 locks
Dadfords Bridge No 167 NMon Brec Terminus Bridge	34 miles and 2¼ furlongs	6 locks
Theatre Basin End of navigation and Brecon town centre	34 miles and 2½ furlongs	6 locks