South Stack Lighthouse, Grade II listed lighthouse in Trearddur, United Kingdom.
South Stack Lighthouse is a stone tower standing 28 meters tall on steep coastal cliffs near Trearddur on the Isle of Anglesey. The building includes exhibition spaces and a machine room that visitors can access by descending carved stone steps into the cliff.
Trinity House built this lighthouse in 1809 to guide ships traveling the busy trade route between Dublin, Holyhead, and Liverpool. The construction marked an important step in making maritime travel safer along this challenging stretch of coast.
The lighthouse occupies a special place in local maritime heritage and serves as a symbol of coastal navigation history for visitors exploring the Welsh coastline today.
Access requires descending around 400 stone steps carved into the cliff, which leads to the base of the structure. Visitors should wear sturdy shoes and be prepared for steep terrain and strong coastal winds during their visit.
The lighthouse was built on a rocky outcrop separate from the main cliff, requiring workers to access it by suspension bridge across a narrow gap. This isolated location on harsh terrain made construction conditions particularly difficult in the early 1800s.
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