Estany Negre, Glacial lake in Valle de Bohí, Spain.
Estany Negre is a mountain lake in the Catalan Pyrenees about 692 meters long and 217 meters wide. The water sits in a basin made of glacial material and lies at high elevation, surrounded by rocky mountain slopes.
The lake formed during the last ice age when massive glaciers carved valleys in the Pyrenees and left behind deep basins. As the ice melted and retreated, water filled these basins and created the lakes visible today.
The lake is part of a protected natural area in the Pyrenees that local people and hikers value deeply. Visitors notice how the water and surrounding landscape are treated with care by those who live nearby.
The best time to visit is from June through September when snow melts and paths are accessible. Reaching the lake requires a longer hike through mountain terrain with uneven paths and few rest spots.
The water has an unusually dark color that gave the lake its name and comes from special minerals and depth. This coloring makes it a striking visual feature that visitors notice immediately when they first see the lake.
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