One of Canada’s largest underground
gold mining projects

The Odyssey Mine, now under construction, will develop the continuity of the deposit in the Canadian Malartic and Barnat pits through four main mineralized zones at depth. We will become one of Canada’s largest underground gold mines. We are located approximately 3 km east of the entrance to the Town of Malartic.

BY THE NUMBERS

1,500 ESTIMATED EMPLOYEES

AT THE PEAK OF OPERATIONS
BY 2029-2030

PRODUCTION ESTIMATED AT
19,000 T/D
OF ORE

AT THE PEAK OF OPERATIONS
BY 2029-2030

USE OF CANADIAN MALARTIC MINE’S ORE-PROCESSING PLANT WILL BE ADAPTED

MINING METHOD BY RAMP AND SHAFT WITH A
DEPTH OF
1,800 M

PLANNED ANNUAL PRODUCTION:

500,000 OUNCES

AT THE PEAK OF OPERATIONS
BY 2029-2030

ESTIMATED MINE LIFE
UNTIL 2039

Estimated grade of
2.76 g/t gold

THE MINE IN DETAIL

  • Total height: 93 metres
  • Amount of concrete: 4,000 m3
  • Amount of concrete mixer required: + 570
  • Number of iron rods inserted to ensure the structure’s solidity: +2 million
  • Pour time: day and night for 20 days

An amendment of the decree authorizing the mining of the North and South Odyssey Zones and the start of exploration ramp excavation was passed in December 2018.

Expansion of known underground mineralized zones has also been authorized since July 2022, following a new application to modify the decree that was filed with the Ministry of the Environment and the Fight Against Climate Change (MELCC).

View the traffic and safety study for the implementation of a new access on Route 117 (available in french only)

View the update to the new generation of on-access vehicles (available in French only)

Fall 2020 to 2030
Ramp construction

Fall 2020 to the end of 2027
Detail engineering of main infrastructure

2021 to 2022
Construction of the headframe (93 m high)

November 2022
First ounces of gold poured

Early 2023 to the end of 2026
Start of shaft sinking (1,800 m deep)

Early 2023
Production using the ramp – Odyssey South (0 to 600 m)

2027
Production using the shaft – East Gouldie


  • LTE mobile network


  • Worker detection and localization systems


  • Automated equipment


  • Continuous production with a distribution system


  • On-demand ventilation


  • Electric equipment and vehicles