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Blue Lake Grotto (Gruta do Lago Azul) is a stunning natural wonder located in Bonito, Brazil. Discovered in 1924, this underground cave features a mesmerizing blue lake that is over 200 feet deep. Visitors can ... take guided tours to explore the grotto's unique rock formations and crystal-clear waters. Popular activities include swimming, snorkeling, and admiring the breathtaking scenery. The best time to visit is during the dry season from April to September when water levels are lower, offering better visibility. Immerse yourself in the local culture by learning about the indigenous traditions and folklore surrounding this enchanting attraction. Read more ▼
