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The Crumlin Arm of the Monmouthshire canal is part of the Monmouthshire & Brecon Canal network in South Wales. It connected Crumlin and its tramways to the Docks at Newport.
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The Crumlin to Abercarn section opened in March 1794 and two years later the branch was open except for Fourteen Locks. It was not until April 1799 that the proprietors (shareholders) declared that the canal was finally complete. The branch was 11 miles (18 km) long, rising 358 ft (109 m) through 32 locks.
The canal started at a basin in Crumlin and ran through the villages of Newbridge, Abercarn and Cwmcarn now under the A467. The canal then reached Cwmcarn lock now under the grass at the end of the present canal. The canal crosses the Pontywaun aqueduct and follow the side of the mountain above Crosskeys and Risca this section is the longest lock-free pound on the system until the Fourteen Locks. The canal descends the fourteen locks and turns sharp along the hill side. The canal now flows next to the M4 into urban Newport to Barrack Hill tunnel (now disused and culverted). The rest of the canal through the city is lost beneath modern roads and buildings. The Kingsway dual carriageway follows the route of the canal to the now-filled-in Old Town Docks near the Transporter Bridge.
| Location | Number of locks |
|---|---|
| Allt-yr-yn | 5 |
| Cefn | 1 |
| Fourteen Locks | 14 |
| Cwmcarn | 1 |
| Abercarn | 7 |
| Newbridge area | 4 |
These were originally numbered (as were bridges) by the usual system of top down. Therefore, Cwmcarn lock was number 12. The GWR renumbered the locks (and bridges) from Newport to Crumlin and then up the Main Line to Brecon. Thus, Cwmcarn lock became Lock 22. Lock 22 was under the grass area just beyond the end of the canal. Going down was a lock-free pound to the top of Fourteen Locks and going up was another pound to Abercarn bottom lock below the old Prince of Wales Colliery.
The vast majority of the tonnage was coal or iron (particularly coal). Bricks from Allt-yr-yn Brickworks were later important but in relatively small tonnages. There was a regular general cargo boat twice a week from Newport to Crumlin until 1915 but whilst it was important for traders, the tonnages were small. The Branch was often short of water and by 1829 a tramroad was available from Beaufort to Newport as well as from the big collieries at Abercarn. This meant that the canal above Abercarn became less used.
Boats were approximately 64 ft 9 in (19 m) long by 9 ft 2 in (2.8 m) wide.
Today the canal is mostly disused and the northern end is lost beneath the A467 bypass. There are eight miles of canal, but blocked by roads. The National cycle route 47 follows the towpath for seven miles (11 km) from Barrack Hill tunnel, Newport to Green Meadow Bridge, Crosskeys. 1.5 miles (2.4 km) of canal between Pontywaun Aqueduct (Pontywaun) and Darren Bridge (Risca) is still navigable but only by small craft via a slipway at Pontywaun.
There are plans to reopen the canal down to the Fourteen Locks then on to central Newport. This requires building two aqueducts, raising a number of roads and rebuilding 20 locks. There are plans to build a marina at the Darran quarry in Risca with a transport museum. Other plans include a new marina at Newport and a connection to the River Usk to connect to the main system of canals in the UK.
Abercarn is a town and community in Caerphilly county borough, Wales. It is 10 miles (16 km) northwest of Newport on the A467 between Cwmcarn and Newbridge, within the historic boundaries of Monmouthshire.
Risca is a town in the Caerphilly County Borough and the historic boundaries of Monmouthshire in south-east Wales. Risca has a railway station, opened on the Ebbw Valley Railway in February 2008, after a gap of 46 years. It is split into two communities; Risca East and Risca West. It has a population of 11,700. The town is now part of the Cardiff Capital Region which has a combined population of 1,543,293. Cardiff the capital of Wales can be reached in under 28 minutes from the nearby railway station of Risca and Pontymister station which reopened in 2008 after a gap of nearly 60 years.
Thomas Dadford Jr. was an English canal engineer, who came from a family of canal engineers. He first worked with his father in the north of Britain on the Stour and the Trent, but later independently, contributing to a number of canal schemes, mainly in Monmouthshire and Glamorganshire but also in Montgomeryshire and Ellesmere, before dying at the age of 40.
Crumlin is a town, community and electoral ward in Caerphilly county borough in South Wales. It is situated in the Ebbw River valley, 5 miles (8 km) west of Pontypool, within the historic boundaries of Monmouthshire.
Cwmcarn is a village situated in the Ebbw valley in south Wales, in the historic boundaries of Monmouthshire. It grew with 19th-century coal mining, but is now known for its extensive mature forestry and greenery, that attract thousands of visitors and mountain biking enthusiasts each year.
The Somerset Coal Canal was a narrow canal in England, built around 1800. Its route began in basins at Paulton and Timsbury, ran to nearby Camerton, over two aqueducts at Dunkerton, through a tunnel at Combe Hay, then via Midford and Monkton Combe to Limpley Stoke where it joined the Kennet and Avon Canal. This link gave the Somerset coalfield access east toward London. The longest arm was 10.6 miles (17.1 km) long with 23 locks. From Midford an arm also ran via Writhlington to Radstock, with a tunnel at Wellow.
The Neath and Tennant Canals are two independent but linked canals in South Wales that are usually regarded as a single canal. The Neath Canal was opened from Glynneath to Melincryddan, to the south of Neath, in 1795 and extended to Giant's Grave in 1799, in order to provide better shipping facilities. With several small later extensions it reached its final destination at Briton Ferry. No traffic figures are available, but it was successful, as dividends of 16 per cent were paid on the shares. The canal was 13.5 miles (21.7 km) long and included 19 locks.
The Monmouthshire and Brecon Canal is a small network of canals in South Wales. For most of its currently (2018) navigable 35-mile (56 km) length it runs through the Brecon Beacons National Park, and its present rural character and tranquillity belies its original purpose as an industrial corridor for coal and iron, which were brought to the canal by a network of tramways and/or railroads, many of which were built and owned by the canal company.
The Ebbw Valley Railway is a branch line of the South Wales Main Line in South Wales. Transport for Wales Rail provides an hourly passenger service each way between Ebbw Vale Town and Cardiff Central, and an hourly service each way between Ebbw Vale Town and Newport.
Fourteen Locks is a series of locks, also known as the Cefn Flight, on the Crumlin arm of the Monmouthshire Canal at Rogerstone in Newport, South Wales. The flight of locks was completed in 1799 and raises the water level 160 ft in just 800 yd. This is one of the steepest rises for a major run in the UK which, combined with the sheer number of locks, makes it one of the most significant in the country. The run of locks includes a series of embanked ponds, pounds, sluices and weirs to control the water supply, with no set of gates shared between individual locks. It therefore comprises a flight of locks rather than a lock staircase.
The Swansea Canal was a canal constructed by the Swansea Canal Navigation Company between 1794 and 1798, running for 16.5 miles (26.6 km) from Swansea to Hen Neuadd, Abercraf in South Wales. It was steeply graded, and 36 locks were needed to enable it to rise 373 feet (114 m) over its length. The main cargos were coal, iron and steel, and the enterprise was profitable.
High Cross is a suburb of the city of Newport, South Wales, and forms part of the community (parish) of Rogerstone.
Llangynidr is a village, community and electoral ward in Powys, Wales, about 4 miles (6.4 km) west of Crickhowell and 9 miles (14.5 km) south-east of Brecon. The River Usk flows through the village as does the Monmouthshire and Brecon Canal. It is in the historic county of Brecknockshire.
Newport Docks is the collective name for a group of docks in the city of Newport, south-east Wales.
Bosley Lock Flight is a flight of twelve canal locks, situated on the Macclesfield Canal at Bosley, near Macclesfield, Cheshire, England. The locks are substantially built with stone blocks, and unusually for narrow locks have mitre gates at both ends. They were each built with a side pond, which enabled some of the water to be re-used during a filling and emptying cycle. The side ponds have been disused for many years, but there are plans to reinstate one of them for demonstration purposes.
The Monmouthshire Railway and Canal Company was a canal and railway company that operated a canal and a network of railways in the Western Valley and Eastern Valley of Newport, Monmouthshire. It started as the Monmouthshire Canal Navigation and opened canals from Newport to Pontypool and to Crumlin from 1796. Numerous tramroads connected nearby pits and ironworks with the canal.
The Sirhowy Tramroad was a plateway built to convey the products of ironworks at Tredegar to Newport, South Wales. It opened in 1805 between Tredegar and Nine Mile Point, a location west of Risca, from where the Monmouthshire Canal Company operated a tramroad to Newport. The Sirhowy Tramroad was operated at first by horse traction, but early locomotives were used, and a passenger service was operated.
Crosskeys is a village, community and an electoral ward in Caerphilly county borough in Wales.
The Penar branch line and the Hall's branch line, was a standard gauge freight railway line running between Risca and the Oakdale Colliery in the South Wales coalfield. It finally closed when the colliery closed in 1989 but several sections of the trackbed, line and footbridges remain, around Crosskeys. Note that the official Network Rail Engineering Line Reference (ELR) for the Halls Road branch was HRD from Halls Road Junction to Penar Junction and from the latter to Oakdale Colliery was PEN, the Penar branch. The line west of Penar tunnel made a junction with the Vale of Neath Line (VON) at Penar Junction. In December 1967, due to rationalisation of the railway network, the Halls Rd branch was taken out of use for a period and the closed Vale of Neath line was brought back into use between Penar Jct and Bird-in-Hand West to join the former LMS Sirhowy line to Nine Mile Point via Tredegar Jct Lower and Wyllie. For that journey, a run around siding had to be established on the barren VON formation at Penar Junction for the locomotive to run around its train for forward journey to Oakdale or return journey to Newport. When the former LMS branch to the Sirhowy Valley from Nine Mile Point closed, Halls Rd section was reopened in May 1970 until closure of the Halls Rd and Penar branches following 1989.
The Risca colliery disasters were a series of catastrophic mine explosions near the Welsh town of Risca in the nineteenth century. The most serious of these were in 1860 when more than 140 died in the Black Vein colliery and in 1880 when 120 died at the New Risca colliery.
