The Militia Act of 1697 designated four points across Barbados where cannons would be positioned to fire alarm signals in the event of an invasion. Briggs Hill, as Gun Hill was then known, was one of them. The logic was simple: place the guns on high ground where their reports would carry farthest, alerting militia units scattered across the island's plantations to muster for defense. The name Gun Hill likely dates from this period, a straightforward description that stuck for more than three centuries. Barbados was a prized possession in the 17th-century Caribbean, its sugar plantations generating enormous wealth, and the threat of French or Dutch attack was constant. The alarm guns were not ceremonial. They were the island's early warning system.

When the signal station system was established in 1818-1819, Gun Hill became the most important node in the network. Signals from Highgate East on one side reached Moncrieffe on the cliffs of the St. John and St. Philip border, while to the north the chain continued through Cotton Tower, Grenade Hall, and Dover Fort. Messages could cross the island in minutes, a remarkable capability for an era that relied entirely on human eyesight and flags. The station itself comprised a prominent tower, a kitchen, a magazine for storing gunpowder, a sentry box, and barracks. But Gun Hill served a gentler purpose as well. As a classic tropical hill station, it offered cooler air above the sweltering coastal lowlands, and the military used it as a convalescent station for troops recovering from the diseases that plagued Caribbean garrisons.

Yellow fever was the great killer of European soldiers in the Caribbean, and when outbreaks struck the Garrison near Bridgetown, the sick and the healthy alike needed to be moved to higher ground. Gun Hill became the evacuation point. The barracks were small, never intended for large numbers, so mass evacuations meant soldiers went under canvas, pitching tents on the hillside above the lowland mosquitoes. In 1854, it was cholera rather than yellow fever that drove the evacuation, a terrifying epidemic that swept through the island. The hill station offered no medical miracles, only distance from the congested, unsanitary conditions of the coast. Sometimes distance was enough.

After the signal stations fell out of use, Gun Hill's buildings deteriorated into ruin. The tower, the barracks, the sentry box all crumbled under tropical weather and neglect. But one feature kept drawing visitors to the site: a well-known sculpture of a lion carved into the hillside below the station, a piece of military folk art that outlasted the institution that created it. In 1981, the Barbados National Trust leased the station from the government and undertook a restoration with the help of a government grant. The tower was repaired, the views reopened, and Gun Hill became what it had always been suited for: a place to stand on high ground and look out across the island, tracing the contours of a landscape that once carried urgent messages from hill to hill.