The canal played a significant part in our industrial heritage and the remains of this heritage can still be viewed along the canal today including wharfs and lime kilns.
Take a look at our timeline looking back at the major milestones of the canal.
The charity making life better by water
Making life better by water
The history of the Brecknock & Abergavenny Canal dates back to the 1700s when it was proposed for a canal to link Brecon with the Monmouthshire Canal.
The canal played a significant part in our industrial heritage and the remains of this heritage can still be viewed along the canal today including wharfs and lime kilns.
Take a look at our timeline looking back at the major milestones of the canal.
1792
Proposals for a canal to link Brecon with the Monmouthshire Canal at Pontymoile
1793
Act passed for construction of the Brecknock & Abergavenny (B & A) Canal. The Act includes the right to build connecting tramroads up to eight miles long
1795
Thomas Dadford Junior appointed engineer for the new canal
1794
Canal company first builds a tramroad from Gellifelen to Glangrwyney
1797
In February canal work begins with Gilwern Aqueduct over the River Clydach. By November eight miles of canal and five locks at Lllangynidr have been completed
1798
Ashford Tunnel under construction but suffers partial collapse
1799
Canal reaches Talybont and work starts on Brynich Aqueduct over the River Usk
1800
Canal completed to Brecon and first boatload of coal is delivered on Christmas Eve
1801
Thomas Dadford dies and is buried at Llanarth churchyard
1802
Canal company builds the first limekiln at Watton
1812
The B & A Canal joins the Monmouthshire Canal at Pontymoile. Brecon is now linked to Newport by the two canals
1815
Brinore tramroad opens with new limekilns at Talybont and Llangattock
1816
The Hay Railway opens, a tramroad from the canal at Brecon to Hay-on-Wye
1840s
Trade on the canal at its height with cargoes of coal, iron, lime and pit props
1865
B & A Canal purchased by the Monmouthshire Railway & Canal Company
1880
The Monmouthshire & Brecon Canal sold to the Great Western Railway
1915
Last regular boat traffic between Brecon and Newport
1930s
Sections of the canal below Pontymoile progressively closed
1948
Canal ownership passes from GWR to the British Transport Commission
1962
Remaining 35 miles of canal in disrepair transferred to British Waterways
1964
Volunteers begin canal restoration
1970
Canal reopens from the outskirts of Brecon to Pontymoile
1995
New basin in Brecon opens and canal is restored into the town
2012
Mon & Brec Canal transferred from British Waterways to the Canal & River Trust
Last Edited: 13 June 2025
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