Lagoa das Sete Cidades, Volcanic crater lake in São Miguel, Portugal
Description
Lagoa das Sete Cidades is a volcanic crater containing two connected lakes within a caldera, where one displays distinctly blue waters and the other green waters. The entire formation reflects how volcanic forces shaped this landscape over geological time.
History
This volcanic crater began forming over 200,000 years ago through a series of eruptions that created the large caldera structure. These volcanic events established the foundational landscape that visitors observe today.
Culture
Local people share an old story about a princess and a shepherd whose forbidden love caused tears that created two lakes of different colors. This romantic tale remains woven into how visitors and residents understand and talk about this place.
Practical
Several viewpoints around the crater rim are accessible via hiking trails from multiple starting points. Wear good footwear and allow extra time to visit different viewpoints for the full perspective on both lakes.
Did you know?
The distinct colors of the two lakes come from different mineral compositions and biological activity rather than simple reflection or depth differences. This hydrochemical difference makes each lake its own natural laboratory with separate properties.
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