Built in 1875, the lighthouse sits 130 feet above sea level overlooking St George's Channel.
Most people seem to ignore the sign warning "UNAUTHORISED ENTRY IS PROHIBITED." This picture comes from this web site.
You can even rent the keeper's house but there's a warning for potential guests:
Special Note: Guests should be aware that the station is situated on a clifftop.Amen.
The wikipedia article is here and their web site is here.
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