The Five-Mile occurrence is a tailings pond, on the north side of Lardeau Creek, that contains waste from the Nettie L. [082KNW100] and Silver Cup [082KNW027] mines.

In 1902, Ferguson Mines Limited built a water-powered reduction and chloride amalgamation plant at Five-Mile to process lower-grade ore brought in by tramway from its mines, north and south of Lardeau Creek. The plant had 20 stamps, each of which ground approximately 3.6 tonnes of ore per day to less than 16 mesh. The coarser-grained fraction was processed to form a galena concentrate that was sent to Trail. The finer-grained "slimes", and any residual sphalerite, tetrahedrite and pyrite, where then dried, roasted, dissolved in chloride and then amalgamated to create bullion. In the first five months of 1905, the mill handled approximately 9100 tonnes of ore and produced 558 tonnes of galena concentrate, and 1272685 grams of silver bullion. However, the mines were still uneconomic and they closed down the same year.

In 1997, a two-post claim was staked over the millsite and seven 5.0 kilogram samples were collected to evaluate the metal content of the tailings. The assays show that they are weakly mineralized. One sample assayed 163 grams per tonne silver, 2.76 per cent lead, 0.20 per cent zinc and 0.05 per cent copper.