Company knowledge base · Gold

Northern Star Resources

An Australian gold producer operating major open-pit and underground production centres across Western Australia's Goldfields and Yandal regions.

At a glance

Kalgoorlie and Yandal · Western Australia

Northern Star groups its producing portfolio into Kalgoorlie, Yandal and Pogo production centres. This Australian guide breaks out the Western Australian mines and the Hemi development project; the Pogo operation in Alaska is outside scope.

This independent summary does not imply affiliation with the operator. Operational status, ownership and mine plans can change; follow the linked company sources for current detail.

CommodityGold
WA centresKalgoorlie + Yandal
Mine methodsOpen pit + underground
Primary productGold doré

Mine and project directory

8 Australian operations, mapped in plain English.

Operating mines are separated from development, care-and-maintenance and rehabilitation assets. Status and mine plans can change, so each profile links to the operator's current record.

01Operating
LocationAdjacent to Kalgoorlie-Boulder, 600 km east of Perth, WA

KCGM Operations

KCGM includes the Fimiston open pit, known as the Super Pit, plus Mt Charlotte and Fimiston underground mines and the Fimiston and Gidji processing plants.

Mine type
Open pit + underground
Operating system
Large owner-operated open-pit movements and underground long-hole stoping and sublevel caving feed an expanding regional processing system.
Workforce lens
Around 1,680 employees reported, with residential and FIFO options across mining, processing, maintenance, projects and technical services.
Official operation profile ↗
02Operating
Location20 km north-east of Kalgoorlie, Eastern Goldfields, WA

Kanowna Belle Operations

A long-running underground gold mine within Northern Star's Kalgoorlie Operations, producing through modified open stoping with paste backfill.

Mine type
Underground
Operating system
Underground ore feeds the adjacent Kanowna Belle plant, which can use flotation, roasting and carbon-in-leach processing routes.
Workforce lens
Residential and FIFO underground mining, paste, processing, electrical, mechanical, geology, survey and planning roles.
Official operation profile ↗
03Operating
Location35 km south of Kalgoorlie, Eastern Goldfields, WA

South Kalgoorlie Operations

Mining is focused on the HBJ underground deposit, using top-down long-hole open stoping and paste fill. The Jubilee mill remains on care and maintenance.

Mine type
Underground · HBJ mine
Operating system
HBJ underground development and stoping operate within a regional ore-treatment strategy rather than relying on the idled Jubilee mill.
Workforce lens
Northern Star Mining Services provides mining, supported by residential and FIFO technical, maintenance and operational teams.
Official operation profile ↗
04Operating
Location120 km north-east of Kalgoorlie, WA

Carosue Dam Operations

The Carosue Dam and Porphyry mining centres combine Karari-Dervish and Porphyry underground work with satellite open-pit production.

Mine type
Open pit + underground
Operating system
Underground and open-pit ore is hauled to the 4 Mtpa Carosue Dam CIL plant; some satellite ore moves by road train.
Workforce lens
About 400 employees reported on a FIFO basis, alongside contractor underground mining and owner technical and support teams.
Official operation profile ↗
05Operating
Location45 km north-east of Wiluna, Northern Goldfields, WA

Jundee Operations

Ore is sourced from the main Jundee and Ramone underground mines with supplementary open-pit feed. Jundee is the primary source for the onsite plant.

Mine type
Open pit + underground
Operating system
Long-hole open stoping and satellite haulage feed a conventional 3 Mtpa CIL processing circuit.
Workforce lens
About 450 employees reported on FIFO arrangements, plus contractor and Northern Star Mining Services underground crews.
Official operation profile ↗
06Operating
Location45 km south-east of Leinster, Northern Goldfields, WA

Thunderbox Operations

The Thunderbox system includes underground and open-pit production, plus Otto Bore, Wonder underground and supplementary Orelia ore.

Mine type
Open pit + underground
Operating system
Truck-shovel and mechanised underground mining feed the expanded 6 Mtpa Thunderbox CIL plant.
Workforce lens
About 420 employees reported on FIFO arrangements, with owner mining, contractors and Northern Star Mining Services all represented.
Official operation profile ↗
07Operating district
Location80 km north-east of Leinster, Yandal region, WA

Bronzewing Operations

Current mining is centred on the Orelia open pit. The Bronzewing mill remains on care and maintenance, so ore moves to Thunderbox instead.

Mine type
Open pit · Orelia
Operating system
Conventional truck-and-excavator mining with ore hauled on private roads by off-highway road trains to the Thunderbox plant.
Workforce lens
Around 140 employees reported across a mix of owner-operated and contractor mining, haulage, maintenance and support.
Official operation profile ↗
08Development project
Location85 km south of Port Hedland, Pilbara, WA

Hemi Development Project

A large-scale gold development acquired with De Grey Mining in 2025. It is a project rather than a producing mine and should be tracked through current approvals and investment decisions.

Mine type
Proposed open pit
Operating system
The published concept centres on large open pits with possible underground and regional growth; final execution and operating arrangements remain project-dependent.
Workforce lens
Study, approvals, heritage, environment and early works precede any larger construction and operating workforce.
Official operation profile ↗

Follow the commodity

Gold mine to refinery

See how extraction, processing, transport and the final customer handover differ from the Pilbara iron ore model.

Open the pathway →

Workforce lens

Roles across the operating chain.

Job titles, rosters, residential requirements and contractor arrangements differ by site. Use the employer's current advertisement and position description.

Open-pit operatorsUnderground minersProcess operatorsGold-room operatorsElectriciansMechanical fittersHD fittersBoilermakersMetallurgistsGeologistsMine plannersSurveyors
Official careers site ↗

Sources

Start with the operator.

Checked 30 August 2026. Company pages and mine plans change; these links are the current primary reference points.

Official company website ↗
  1. 01Northern Star — current asset portfolio
  2. 02Northern Star — KCGM Operations
  3. 03Northern Star — company overview