The Bugesera lakes are located in the North of Burundi and constitute the Protected Aquatic Landscape (PAP) of Bugesera. The PAP is located in the natural region of Bugesera in the extreme north of the country, between 2° 18' and 2° 30' South latitude and between 29° 56' and 30° 33' East longitude. It corresponds almost to the entire province of Kirundo.

It is limited to the south by the province of Ngozi and to the east by that of Muyinga and to the north by Rwanda. The Bugesera PAP includes 8 lakes (Lacs Rweru, Cohoha, Rwihinda, Kanzigiri, Gacamirindi, Nagitamo, Narungazi and Mwangere) which occupy an area of about 16010 ha, or about 16010 ha, or about 8% of the Burundian part of Lake Tanganyika, or about 7.2% of the area of Burundi. It also includes the vegetation of Murehe located in the Commune of Busoni on the Munazi, Kivo, Yanza, Gatete and Vyanzo hills with about 5000 ha. On the banks of the lakes, there is malarial vegetation consisting of marshes dominated by Cyperus papyrus.

In the quiet bays, some plants float to the surface: Utricularia, Nympheae, etc. These lakes are also rich in Phytoplanktons, Cohoha and Rweru being the most studied. Overall, the studies carried out on these lakes have shown that they are characterized by a rich and varied algal flora with a predominance of:
- Cyanophytes: 11 genera containing 30 species; - Bacillariophytes: 18 genera with more than 100 species;
- Chlorophytes: 15 genera, 53 species;
- Chlorophytes: 15 genera, 53 species, and only 3 genera with 8 species for Euglenophytes, 2 genera, 3 species for Dinophytes; and 2 genera with 3 species for Xantophytes. It is a wealth that is both qualitative and quantitative.