Dog Island, River island in North Bank Division, Gambia.
Dog Island is a small river island in the Gambia River, situated about 13 kilometers from where the river meets the ocean, covering less than 3.5 hectares. The terrain features rocky outcrops and becomes accessible from the mainland in different ways depending on tidal conditions.
The Venetian captain Alvise Cadamosto reached the island in 1456 and named it Sant' Andrea after a crew member buried there. Later the site served as a stone quarry for building Banjul city and held an English fort constructed in 1661.
The island takes its name from the sounds of resident baboons, whose calls echo across the water and resemble dog barking. These vocalizations shape the auditory experience for visitors who approach the shoreline.
The island is reachable on foot from the mainland during low tide, but high tide creates roughly 150 meters of water separation. Plan your visit around tidal conditions to ensure access is possible.
The island served as a crucial stone source for Banjul's construction and still bears visible marks of this extraction work today. The remains of the English fortification offer glimpses into the region's colonial past.
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