Diana Region topographic maps

Average elevation: 20 m

Average elevation: 33 m

Average elevation: 14 m

Average elevation: 744 m

Average elevation: 26 m

Average elevation: 19 m

Average elevation: 50 m

Average elevation: 2,544 m

French settler-colonial efforts on Nosy Be were persistently hampered by outbreaks of diseases such as malaria, cholera, and smallpox. To remedy this, a convalescence for French settlers was built on the adjacent Nosy Komba in 1841, immediately following the French annexation of the region, with an upgraded…

Average elevation: 133 m

Average elevation: 32 m

Average elevation: 32 m

Average elevation: 24 m