DDiscover AloneMapAbout

Llanelli Harbour Light

Lighthouse

What is recorded here

Llanelli's breakwater light guided ships into the old harbour from the middle of the nineteenth century. Its fixed white light worked only around high tide and could be seen for seven miles; the stone tower base remains beside part of the wooden pier.

Read the whole record

Llanelli's breakwater light guided ships into the old harbour from the middle of the nineteenth century. Its fixed white light worked only around high tide and could be seen for seven miles; the stone tower base remains beside part of the wooden pier.

Why it was built

The light marked the south end of Llanelli harbour's breakwater, helping ships find the entrance across the wide, shifting mouth of the River Loughor. The surviving record places its construction around the middle of the nineteenth century.

People and work

Harbour workers showed the fixed white light from halfway through the rising tide until one quarter of the falling tide had passed. That timetable matched the limited water in which vessels could safely use the harbour.

How it changed

Sailing directions published in 1884 put the light 36 feet above high water and gave it a seven-mile reach. The harbour later closed to shipping, leaving the tower without the traffic and tidal routine it once served.

What survives

The lower stone tower remains at the harbour entrance with part of a wooden pier attached. The working lamp and its upper fittings have gone, but the base still marks the end from which the white light was shown.

Why it mattered

The light tied safe entry to the tide, making a difficult industrial harbour usable for a short part of each cycle. Its surviving base is physical evidence of Llanelli's former sea trade after the working docks themselves fell silent.

Sources for this account

Sources checked 16 August 2026.

From the Coflein (National Monuments Record of Wales) record 34204

The historic-place record does not grant public access. Check current conditions and ownership before entering land or a building.

What do you know about this place?Tap to add a comment or ask a question

What you write will be public.

Places near here

Photo credits
  • Adrian Dust, Wikimedia Commons · CC BY-SA 2.0
  • Alan Richards, Wikimedia Commons · CC BY-SA 2.0
  • Jaggery, Wikimedia Commons · CC BY-SA 2.0
  • Guy Butler-Madden, Wikimedia Commons · CC BY-SA 2.0
  • Wayland Smith, Wikimedia Commons · CC BY-SA 2.0
  • Hywel Williams, Wikimedia Commons · CC BY-SA 2.0
  • Dara Jasumani, Wikimedia Commons · CC BY-SA 2.0
  • Ronald John Saunders, Wikimedia Commons · CC BY-SA 2.0
  • Gareth James, Wikimedia Commons · CC BY-SA 2.0
  • Richard Dorrell, Wikimedia Commons · CC BY-SA 2.0
Richard Thomas' Wharf, New Dafen River, LlanelliWharf · 939 ydSt John's Church, Druce Street, LlanelliChurch · 942 ydMachynysHouse · 953 ydLlanelli West Signal Box, LlanelliSignal Box · 1160 ydOld Castle, LlanelliMotte · 1.1 miPeople's ParkPark · 1.1 miSunny HillMountain or hill · 1.2 miParc Howard MuseumMuseum · 1.7 mi

Explorer Tom Parc Howard Museum stands in a Victorian mansion in Llanelli, surrounded by a public park, and somehow manages to offer…

The Lodge at Llanelli District CemeteryChurch, cross or graveyard · 1.7 miWwt Llanelli Wetland CentreVisitor information · 1.9 miAmelia EarhartMemorial · 2.1 miLlanelli Wetland CentreNature reserve · 2.1 mi

Explorer Tom Llanelli Wetland Centre occupies the Burry Inlet shore, where freshwater pools, reedbeds and tidal feeding grounds can…

More historic places in Sir Gaerfyrddin / Carmarthenshire · All of Sir Gaerfyrddin / Carmarthenshire

Add to this placeAdd a picture Add a detailed tip Add a story

Explore the map1,095,414 places to discover

Next place · or swipeRichard Thomas' Wharf, New Dafen River, Llanelli