 Mesalo River, the second largest river in the Cabo Delgado Province in northern Mozambique, delimits on its south the coastal area, along the Indian Ocean coastal belt, in the Macomia District; other coastal area boundary limits are set by the Diquide to the south and the coast line on the east.The estuary encompasses of pristine mangrove forests unaffected by anthropogenic interference.Agriculture, which is mostly at the subsistence level, practiced along rivers, swamps and lakes near the villages, covers cultivation of rice, cassava, millet, maize, sweet potatoes, beans and coconuts.