The Mowich Lake (Mow) copper occurrence is located approximately 800 metres southeast of the south end of Mowich Lake.

The area is underlain by the Upper Triassic Nicola Group which is exposed in a window eroded through overlap assemblage volcanic and sedimentary rocks of the Miocene Chilcotin Group (Open File 1989-21; Geological Survey of Canada Memoir 363). The overlap assemblage consists of two formations: The Deadman River Formation consists of diatomite-bearing lacustrine sediments, volcanic ash and clastic sedimentary rocks and is overlain by plateau lavas of the Chasm Formation. The Nicola Group rocks are comprised of augite andesite flows, polymictic volcanic breccias, which are interfingered to the south with volcaniclastic sediments and minor limestone.

Locally, a 3- to 4-metre wide shear zone hosts chalcopyrite, with minor bornite and chalcocite mineralization in fractures and amygdules of a vesicular basalt and/or amygdaloidal augite porphyry. Cuprite, native copper, malachite and crystalline azurite occur in fractures, particularly in the higher (easternmost) zone. Mineralization has been exposed by pits and trenches over an area of approximately 130 by 45 metres. Carbonate and mariposite alteration is common within Nicola rocks at several places on the property; however, none contain any significant gold values. Bulldozer trenching has shown the mineralized material to be transported and to occupy depressions in Nicola Group augite porphyry; it might have originated from the flat-lying basalts that unconformably overlie the Nicola rocks.

In 1983, trench samples yielded up to 2.00 per cent copper over 1.5 metres (sample 83MQVT427; Property File - W. Vanderpoll [1984-02-22]: 1983 Property Report - Mowich Lake).

In 1988, two grab samples yielded up to 0.2 gram per tonne gold, 3.8 grams per tonne silver and 3.85 per cent copper (Property File - James F. Bristow [1988-06-01]: A Preliminary Report on the Arrowstone Project).

In 1983, the area was staked by Mr. M. Dickens of Savona and optioned to Canamax Resources Inc. Canamax completed a program of geological mapping; line cutting and magnetometer, induced polarization/resistivity and soil geochemical surveying. Northair Mines Limited optioned the property in 1984 and completed additional geological mapping and bulldozer trenching. In 1988, the property was optioned by Iron River Resources Limited and 8.2 kilometres of magnetometer and VLF-EM surveying were completed (Assessment Report 18167). In 1989, Iron River completed 1.0 kilometre of induced polarization surveying, 11.6 kilometres of magnetometer and VLF-EM surveying and five diamond-drill holes, totalling 200 metres.