
Moher Tower stands as a roofless stone ruin atop Hag's Head at the southern end of the Cliffs of Moher in County Clare, built circa 1808 as a lookout post during the Napoleonic Wars. Constructed from remains of an earlier fort called Mothar, which gave the famous cliffs their name, the tower's square structure originally featured two storeys, a fireplace, and dedicated watchtowers. The strategic location reflects fears of invasion along Ireland's Atlantic coast during the Napoleonic era. Today, the dramatic ruins provide shelter for native seabirds including choughs and gulls while offering breathtaking coastal vistas. The approximately 5km walk from the Cliffs of Moher Visitor Centre takes 1.5 to 2 hours and is free to access.