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Moqua Caves

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Landmark
—°10
Moqua Caves (Nauru)

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The Moqua Caves in the Yaren District are a highlight of Nauru’s natural heritage, showcasing the island's unique karst topography. Formed over millennia within the coral limestone bedrock, this intricate network of underground passages leads to the famous Moqua Well, a subterranean lake. The cave environment is notably cooler than the tropical exterior, providing a unique microclimate where humidity remains high throughout the year. Visitors can observe various limestone formations, including delicate stalactites and robust stalagmites that have grown slowly in the dark chambers. Because sections of the cave system lie below sea level, the water in the well is influenced by the surrounding ocean tides. This hidden world is also home to specialized cave fauna that has evolved to thrive in total darkness. Historically significant as a freshwater source during droughts, the Moqua Caves today serve as an essential site for geological study and a fascinating destination for eco-tourists interested in the subterranean processes that shape Pacific coral islands.

Best time to visit & climate

The most pleasant time to visit is May, Jun, Sep.

JanFebMarAprMayJunJulAugSepOctNovDec
Avg °C282828282828282828282828
Rain mm194192193161116107123118108118133202

📋 Practical info

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Visiting
Moqua Caves are a branching system of underground passages in coral limestone. Part of the caves is accessible to visitors; other areas are closed. Entry is at your own risk.
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Typical hours
The caves are usually accessible during daytime, with no fixed hours. It is recommended to visit in good daylight. Access may be limited during rain.
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Photography
Photos with flash are possible in the caves. The stalactites and rock fissures offer interesting subjects. Be careful of slippery floors and bring a torch.
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Time needed
Visiting the accessible cave areas takes about 30 to 45 minutes. For exploring all traversable passages, allow one hour.
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Combine with
Moqua Caves are near Moqua Well and the Moqua Well Area. These three sites can be combined into an underground sightseeing tour.
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Getting there
The caves are located in Yaren district and accessible via an unpaved path. Park on the street and walk. Locals can show the way.
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Insider tip
Bring sturdy shoes and a torch. It is advisable not to enter the caves alone. Inform someone about your visit beforehand.

Geography

Coordinates
-0.54800, 166.91500

Facts

  • Moqua Well is approximately 5 meters deep.
  • The water temperature remains constant throughout the year.
  • The cave is formed from porous limestone rock.
  • It served as a hiding place during World War II.
  • The lake is connected to the island's primary water table.
  • Access is via a steep path located in the Yaren District.

Explore nearby

Notable places around

Civil Administration RuinsCivil Administration Ruins<1 km · NExplore →
AiwoAiwo2 km · WExplore →
Moqua Well AreaMoqua Well Area2 km · NExplore →
Phosphate Discovery SitePhosphate Discovery Site3 km · NWExplore →
Nibok PalmsNibok Palms3 km · WExplore →
Meneng Pandanus GrovesMeneng Pandanus Groves3 km · NExplore →
Eastern Plateau RimEastern Plateau Rim5 km · NWExplore →
North Cape NauruNorth Cape Nauru5 km · NWExplore →

Route planner — Car & Motorhome

Where do you start? We build the route here, with stops and country notes along the way.

Vehicle
Only stops with (optional):

© OpenStreetMap contributors · OpenRouteService

Sights in the town Moqua Caves (10)

Naoero Museum🏛 museum

Museum in Nauru, showcasing the island's history and culture.

🕒 Mo-Fr 13:00-17:00

Catholic Church⛪ church

Catholic church in Nauru, a place for worship services.

Gun

Viewpoint with a gun, offering a panorama of the area.

Japanese WWII guns and bunker

Japanese WWII guns and bunker, remnants of wartime fortifications.

Orro Congregational Church

Congregational Christian church in Orro, Nauru.

Japanese WWII Prison

Former Japanese prison from World War II on Nauru.

Broken Down Cantilever Cranes

Dilapidated cantilever cranes, remnants of phosphate loading.

Lagoon viewpoint

Viewpoint overlooking the lagoon, with a wide vista.

A.O.G

Assemblies of God building in Nauru.

Buada Chapel

Chapel in Buada, Nauru, used for Christian gatherings.

Sights nearby

Frequently asked questions

Are the caves freely accessible?
Access is often limited, please check with local authorities.
Do you need a flashlight?
Yes, it is very dark inside and the ground is uneven.
Is the water in the cave clean?
It is an underground lake, please do not bathe or drink from it.
Are there bats?
Yes, it is the habitat of some small bat species.
Can you explore the cave alone?
For safety reasons, exploration in groups with a guide is advisable.
Moqua Caves: where is it located?
Moqua Caves is located in Nauru.
Moqua Caves: what is there to see?
Highlights include Naoero Museum, Catholic Church, Gun.
Moqua Caves: when is the best time to visit?
The most pleasant time to visit is May, Jun, Sep.
Moqua Caves: why is it worth visiting?
The Moqua Caves in the Yaren District are a highlight of Nauru’s natural heritage, showcasing the island's unique karst topography.
View on map → The Top 50 Attractions → OpenStreetMap →
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Nearby cities

Baitsi — Moqua Caves (Nauru)
Baitsi
Baitsi is located in the north of Nauru and extends from the coast into the hilly interior.
Yaren — Moqua Caves (Nauru)
Yaren
Yaren is the primary administrative district of Nauru and serves as the de facto capital.
Boe — Moqua Caves (Nauru)
Boe
Boe is a small but densely populated administrative district in southwest Nauru.
Aiwo — Moqua Caves (Nauru)
Aiwo
Aiwo is considered the main commercial hub of Nauru.
Buada Historic Settlement — Moqua Caves (Nauru)
Buada Historic Settlement
The fertile inland area around Buada Lagoon, a center for agriculture and settlement on the island for centuries.
Buada — Moqua Caves (Nauru)
Buada
Buada is the only landlocked district of Nauru.
Denigomodu — Moqua Caves (Nauru)
Denigomodu
Denigomodu is the most populous district of Nauru.
Denigomodu Settlement — Moqua Caves (Nauru)
Denigomodu Settlement
Denigomodu is the economic residential hub for phosphate industry workers.
Meneng — Moqua Caves (Nauru)
Meneng
Meneng is an extensive district in the southeast of Nauru.
Nibok — Moqua Caves (Nauru)
Nibok
Nibok is a district on the western coast of Nauru.
Uaboe — Moqua Caves (Nauru)
Uaboe
Uaboe is a small coastal district in northwestern Nauru.
Anibare — Moqua Caves (Nauru)
Anibare
Anibare is best known for the bay of the same name, which offers the island's finest swimming beach.
Ewa — Moqua Caves (Nauru)
Ewa
Ewa is the northernmost point of Nauru.
Anetan — Moqua Caves (Nauru)
Anetan
Anetan is a district on the northern coast of Nauru.
Ijuw — Moqua Caves (Nauru)
Ijuw
Ijuw is the easternmost district of Nauru.

History & landmarks

Parliament House of Nauru — Moqua Caves (Nauru)
Parliament House of Nauru
The Parliament House in Yaren is the political heart of the island nation.
Old State House — Moqua Caves (Nauru)
Old State House
The historic official residence of the President of Nauru, a symbol of political sovereignty since independence in 1968.
Yaren Police Station — Moqua Caves (Nauru)
Yaren Police Station
The police station in Yaren is the headquarters for Nauru's police force.
Centenary Complex — Moqua Caves (Nauru)
Centenary Complex
A complex of buildings built to celebrate the 100th anniversary of the discovery of phosphate, now housing government offices.
Moqua Well — Moqua Caves (Nauru)
Moqua Well
Moqua Well is a small underground lake in a limestone cave in Yaren.
BPC Administration Building — Moqua Caves (Nauru)
BPC Administration Building
The former headquarters of the British Phosphate Commissioners, who controlled mining for decades.
Yangor Cliffs — Moqua Caves (Nauru)
Yangor Cliffs
The Yangor Cliffs are rugged rock formations on the west coast.

Nature

Boe Coral Belt — Moqua Caves (Nauru)
Boe Coral Belt
The Boe Coral Belt is a narrow reef system on the west of the island.

More places

Civil Administration Ruins — Moqua Caves (Nauru)
Civil Administration Ruins
The remains of administration buildings from the League of Nations mandate period, destroyed during World War II.
Nauru Airport Terminal — Moqua Caves (Nauru)
Nauru Airport Terminal
The international airport terminal is Nauru's gateway to the world.
Naoero Museum — Moqua Caves (Nauru)
Naoero Museum
Nauru's national museum, housing artifacts related to island history, phosphate mining, and World War II.
Nauru Solar Plant — Moqua Caves (Nauru)
Nauru Solar Plant
This solar facility is a central component of Nauru's renewable energy strategy.
POW Memorial — Moqua Caves (Nauru)
POW Memorial
A memorial dedicated to the memory of Nauruan civilians and foreign prisoners who suffered during the Japanese occupation.
Yaren Greenbelt — Moqua Caves (Nauru)
Yaren Greenbelt
The Yaren Greenbelt consists of maintained green spaces and avenues lined with tropical trees.
Boe Coastal Flora — Moqua Caves (Nauru)
Boe Coastal Flora
The flora of Boe includes a variety of beach morning glories and low-lying coastal plants.
Interior Lowland — Moqua Caves (Nauru)
Interior Lowland
This lower-lying area in the island's interior is surrounded by the higher edges of the coral plateau.