Moqua Caves, Cave system in Yaren District, Nauru
Moqua Caves form a cave system containing an underground freshwater lake that stretches through limestone formations beneath the island surface. The water body reaches considerable depths and reveals the geological character of this hidden structure.
During World War II, the caves served as a vital freshwater source for island residents seeking shelter from Japanese occupation. The system played a critical role in community survival during this difficult period.
The caves connect to Moqua Well and represent an important freshwater source that has always mattered to island life. Local people value this place as part of their natural heritage and still recognize its role in sustaining the community.
The entrance sits near a container along the road and is reached via a path leading to a brick square. From there, the cave opening is on the right side and easily accessible for independent exploration.
The underground system potentially extends for several kilometers through the limestone plateau and was formed during geological periods from Miocene to Quaternary times. This natural formation reveals the long history of geological development beneath the island surface.
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