A caldera lake refers to a lake that forms inside a large crater-like depression created by the collapse of a volcano after a volcanic eruption. Full definition
Visit the only tea plantation in Europe, marvel at the twin blue and green caldera lakes of Sete Cidades, stroll around the charming historic centre of Ponta Delgada, and if you are feeling adventurous go on a whale - watching experience (azoresgetaways.com)
Overnight tours enable you to venture off into the volcanic northeast and immerse yourself in far - flung and breathtaking landscapes, surrounding Bali's magnificent caldera lake, for instance. (bali-indonesia.com)
Today, the site where the fossils were found, Laguna del Hunco in Argentina, is dry and desolate, but in the Eocene epoch (56 million to 33.9 million years ago), the area was near the shore of a caldera lake and had a much more tropical climate. (sciencemag.org)