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Mammoth Cave NP, Kentucky
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The spring is inhabited by the blind Kentucky cave shrimp, a rare and endangered species that has adapted to life in complete darkness. Source: National Park Service
Echo River Spring is part of the Mammoth Cave system, which is the longest known cave system in the world, stretching over 400 miles. Source: National Park Service
The spring provides a vital water source for various plant and animal species in the Mammoth Cave National Park area. Source: National Park Service
The waters of Echo River Spring are known for their clarity and are regularly monitored to ensure the health of the cave's unique ecosystem. Source: National Park Service
Mammoth Cave National Park, including Echo River Spring, is recognized as a UNESCO World Heritage Site due to its extensive cave system and biodiversity. Source: UNESCO