The tunnel was dug in 1889 by the Delegate River Gold Sluicing Co, which was formed to sluice the terrace wash above the alluvial flats just below the point where the Bendoc to Bonang road crosses the Delegate River.
^"Bendoc Historic Loop Drive"(PDF), Forest Notes, FS0091, Bairnsdale: Department of Sustainability and Environment, July 2008, ISSN1440-2262, archived from the original(PDF) on 20 March 2012, retrieved 10 September 2011