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Omai Gold Mine
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The Omai Gold Mine in the Cuyuni-Mazaruni region is a landmark of Guyana's industrial mining history, having once been one of the largest gold mines in South America during the 1990s. Situated on the banks of the Essequibo River, Omai represents both the immense economic ambitions and the ecological challenges associated with large-scale open-pit mining. The mine's economic contribution was phenomenal; at its peak, it accounted for a significant percentage of Guyana's national GDP and was instrumental in shaping modern mining legislation. The facility's architecture was dominated by massive processing mills and deep open pits, which are now partially flooded. Historically, Omai is also remembered for a major environmental incident in 1995, which sparked a nationwide dialogue on industrial safety and conservation. The surrounding relief bears the visible marks of heavy industrial extraction within the reddish soils of the Guiana Shield. Despite the closure of original operations, there are ongoing efforts to revitalize the site through fresh exploration. Omai remains a potent reminder of the complexities involved in resource extraction within delicate rainforest ecosystems.
- Location: Guyana
- Nearby: Baganara Island (56 km)
Best time to visit & climate
The most pleasant time to visit is Mar, Sep, Oct.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °C | 26 | 26 | 27 | 27 | 26 | 25 | 25 | 26 | 27 | 27 | 27 | 26 |
| Rain mm | 149 | 108 | 92 | 139 | 284 | 265 | 251 | 178 | 84 | 81 | 117 | 179 |
📋 Practical info
Geography
Facts
- Omai's production was a cornerstone of Guyana's economic recovery program.
- The 1995 cyanide spill was one of the largest environmental disasters in the region.
- The mine features the massive Fennell and Wenot open pits.
- Historical data from Omai is still used as a reference for Guyanese geology.
- It served as a training ground for many of Guyana's modern mining engineers.
- The location is strategically linked to the interior road network from Bartica.
Explore nearby
Notable places around
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Sights in the town Omai Gold Mine (1)
Sights nearby
Frequently asked questions
Is the Omai gold mine still in operation?
Where is the mine located?
Is entry to the site allowed?
What is its significance for Guyana?
How is the gold mined?
Omai Gold Mine: where is it located?
Omai Gold Mine: when is the best time to visit?
Omai Gold Mine: why is it worth visiting?





