Horseshoe Falls and canal entry pounds with sluices (partly in Llangollen Community) is a Grade II listed building in the Denbighshire local planning authority area, Wales. First listed on 22 December 1989. Weir.

Horseshoe Falls and canal entry pounds with sluices (partly in Llangollen Community)

WRENN ID
low-arch-jackdaw
Grade
II
Local Planning Authority
Denbighshire
Constituency
Clwyd East MP: Becky Gittins (Lab)
Country
Wales
Date first listed
22 December 1989
Type
Weir
Address
Horseshoe Falls and canal entry pounds with sluices (partly in Llangollen Community), Pentrefelin, Llantysilio
OS grid reference
SJ 195 432
Coordinates
52.98081, -3.1991
Source
Cadw listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

The Horseshoe Falls and canal entry pounds with sluices are a stone weir that is crescent-shaped, measuring 140.2 meters in length. It features an upstream slope and a vertical downstream face that is approximately 1.2 meters high. The crest consists of 1.2-meter square stones topped with bullnosed cast iron sections that are 2.75 meters long. On the eastern side of the weir, the river flows into a stone-lined pound with sluices before it enters the canal. Additionally, a gauging station has been established above the junction at the head of the canal.

Local climate

Horseshoe Falls and canal entry pounds with sluices (partly in Llangollen Community) receives an average of 920 mm of rain a year. This makes it wetter than 70% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 73% of listed buildings.

It experiences an average of 48 freeze-thaw cycles a year, more than 89% of listed buildings. Of these, 28 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.

Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.

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Nearby listed buildings

  1. Horseshoe Falls (partly in Llantysilio community) Grade II 105 m
  2. Bryntysilio Grade II 166 m
  3. The King's Bridge (partly in Llangollen Community) Grade II 188 m
  4. Kings Bridge (Partly in Llantysilio Community) Grade II 209 m
  5. Railway Viaduct to W of Berwyn Railway Station Grade II 257 m
  6. Berwyn Railway Station Grade II 280 m
  7. Church of St Tysilio Grade II* 327 m
  8. Roberts Monument in churchyard of Church of St Tysilio Grade II 339 m
  9. Lychgate to churchyard of Church of St Tysilio Grade II 339 m
  10. Jones Chest Tomb in churchyard of Church of St Tysilio Grade II 343 m