The company has commenced safety, ventilation and maintenance checks at the mine.
Last week, Lake Shore had suspended operations temporarily due to high winds and smoke from a forest fire west of Timmins.
The Ministry of Natural Resources has aided in combating the forest fire, air quality at the mine site, which along with improving wind conditions has led the company to safely resume mining operations.
Lake Shore Gold is a gold mining company which has three wholly owned, multi-million ounce gold complexes in the Timmins Gold Camp.