Ardhallow Battery is a Palmerston Fort on the slopes of Corlarach Hill around 2 miles (3.2 km) south of Dunoon, in the west of Scotland.
Part of the local Clyde Defenses and the Scottish Coastal Defences.
The construction contract was awarded to "The Aitkenhead Builders" in 1901 for a price of £16,000.
These installations were built to protect the upper Firth of Clyde shipping and the numerous shipyards located on the lower reaches of the River Clyde.
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