He entered the Royal Navy in 1857, served in the Abyssinian campaign of 1868, and was employed for a considerable time in the suppression of the East African slave trade.
[2] Cameron spent some time determining the true form of the southern part of the lake, and solved the question of its outlet by the discovery of the Lukuga River.
[5] His travels, which were published in 1877 under the title Across Africa, contain valuable suggestions for the opening up of the continent, including the utilization of the great lakes as a Cape to Cairo Road connection.
His last work was the editing of the personal adventure narrative[6] of the Master Mariner James Choyce, who had sailed as a teenager in 1797 aboard a whaler to the Pacific Ocean.
[2] Cameron in 1878–1879 visited the Euphrates valley in connection with a proposed railway to the Persian Gulf, and accompanied Sir Richard Burton in his West African journey of 1882.