Fort Orange is reminder of the Portuguese presence in this area during the 15th century. Fort Orange (Dutch: Fort Oranje) was built as a trading post on the Dutch Gold Coast in 1642, near Sekondi. The trading post was enlarged into a fort in 1690. It was joined by an English Fort Sekondi in 1682. It was sold with the rest of the Dutch Gold Coast to the United Kingdom in 1872, and now serves as a lighthouse.
The fortress is situated in the northern city of Gorontalo. Fortress Orange (Orange Fortress) is one of the historic relics contained in the District Kwandang, approximately 61 km to the north of the city of Gorontalo. This fort was built by the Portuguese in the 17th century (1630), with a length of 40 meters, 32 meters wide, and height of 5 meters (40 × 32×5 meters). The fort has a smaller size than the Citadel and a 178 fruit Otanaha stairs.
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