History
It derives its name from Captain William Bellamy Risdon, second officer of the ship ''Duke of Clarence'', which visited the area as part of Sir John Hayes' expedition in 1793. Risdon Post Office opened on 1 July 1864. It was named "Gregson" during 1911. Historical landmarks in Risdon include Cleburne Homestead, a house next to the Bowen Bridge built in the 1820s, Saracen's Head Inn, a charming sandstone hotel built in c. 1828, Risdon Brook Bridge, a sandstone-arched bridge over the Risdon Brook built in 1858, and finally St. Margaret's Church, an abandoned wooden church that opened in 1867.Zinc works
Between 1916 and 1920 Electrolytic Zinc developed a zinc refinery, known as the "Risdon works", and an eponymously named suburb. In 1956, as part of the refinery complex, EZ started a sulphate of ammonia plant. The owners of the plant in 1987 considered expansion of the refinery. Currently the zinc works and former workers housing area are found in Lutana.http://mininglink.com.au/site/risdon-smelter History of the smelter and area''Eucalyptus risdonii''
'' Eucalyptus risdonii'' is native to this location and was the emblem of Geilston Bay High School.References
{{Hobart suburbs Localities of City of Clarence Populated places on the River Derwent