- Siguiri is a city located in the northeastern part of Guinea in West Africa. It is the capital of the Siguiri Prefecture and is situated along the Niger River. Siguiri is known for its gold mining industry, with many small-scale and artisanal miners working in the area. The city is also home to several historic landmarks, including the Siguiri Bridge, which is a popular tourist attraction. The population of Siguiri is approximately 163,000 people. The city has a semi-arid climate, with hot and dry weather for most of the year. Agriculture, gold mining, and trade are the main economic activities in Siguiri.