Bancroft places this bar, based on O'Reilly's information, near Cornish Bar, just south of Hope [the coordinates linked to above represent a best guess]. Hudson Bar was one among
dozens of gold-rush sites worked along the Fraser River from roughly 1858 onward.1
1. Hubert Howe Bancroft, The Works of Hubert Howe Bancroft, vol. 32, History of British Columbia 1792-1887 (San Francisco: The History Company, 1887), 441.