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Penrhyn Marine Resources
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The Penrhyn Marine Resources center is the economic lifeline for Penrhyn Atoll, also known as Tongareva, located in the remote northern reaches of the Cook Islands. The atoll's massive lagoon, covering nearly 233 square kilometers, provides an exceptional natural environment for mariculture and marine research. The center focuses on the sustainable management of the black pearl industry, overseeing the cultivation of the Pinctada margaritifera oysters that produce the region's famed gems. Additionally, the facility manages sanctuary programs for giant clams (Tridacna) and ensures that traditional seafood harvesting remains within ecological limits. Given the atoll's extreme isolation, the center's role is crucial in providing technical expertise and monitoring equipment to support local fishermen. The lagoon's deep passages allow for commercial operations that are unique among the northern atolls, making Penrhyn a vital hub for mother-of-pearl production and marine conservation efforts in the central Pacific. Its work ensures that the pristine aquatic ecosystem continues to provide for the local community for generations to come.
- Location: Cook Islands
- Nearby: Omoka (12 km)
Best time to visit & climate
The most pleasant time to visit is Aug–Oct.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °C | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Rain mm | 178 | 152 | 146 | 87 | 100 | 81 | 75 | 53 | 44 | 79 | 78 | 118 |
📋 Practical info
Geography
Facts
- Penrhyn is located about 1,365 km north of Rarotonga.
- The lagoon covers an area of approximately 300 km².
- The atoll has a population of around 200 people.
- Annual tuna catch is estimated at 50 tonnes.
- The lagoon hosts one of the largest pearl farms in the Cook Islands.
- Penrhyn is also known as Tongareva.
Explore nearby
Notable places around
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Sights in the town Penrhyn Marine Resources (1)
Sights nearby
Frequently asked questions
What is the main purpose of the center?
Can visitors learn about black pearls?
Is an appointment required for a visit?
How do you reach Penrhyn?
Are there pearls for sale there?
Penrhyn Marine Resources: where is it located?
Penrhyn Marine Resources: when is the best time to visit?
Penrhyn Marine Resources: why is it worth visiting?





























