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199:(IPHAN). The objective is to preserve the very fragile calcareous structures in the cave, the lake and its aquatic ecosystem, and the landscape around the caves. Visitors are allowed, accompanied by guides from the municipality of Bonito. Regulations are designed to prevent any damage to the cave.
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The Gruta do Lago Azul has a main hall with a floor that slopes to a subterranean lake over 50 metres (160 ft) long. The entrance is circular, about 40 metres (130 ft) in diameter, illuminating the lake with sunshine. Between the months of
September and February the waters take on an
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The Gruta de Nossa
Senhora Aparecida does not contain water and has little natural light. It has a single, large hall with a sloping floor 100 metres (330 ft) at its widest. The hall contains
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intense blue color, for which the lake is named. Fossil bones have been found of large mammals that inhabited the region for more than 12,000 years in the
187:, some of which are called "angels" since they resemble humans with wings. The Gruta de Nossa Senhora Aparecida is closed to visitors for safety reasons.
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The Gruta do Lago Azul and the Grutas de Nossa
Senhora Aparecida, both in Bonito, Mato Grosso do Sul, were listed as natural monuments in 1978 by the
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151:, Mato Grosso do Sul, Brazil. It holds two caves with interesting but fragile
280:(in Portuguese), IPHAN: Instituto do Patrimônio Histórico e Artístico Nacional
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formations, and has been listed as a protected area since 1978.
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National
Institute of Historic and Artistic Heritage
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313:Environmental protection areas of Brazil
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141:Gruta do Lago Azul Natural Monument
19:Gruta do Lago Azul Natural Monument
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323:1978 establishments in Brazil
318:Natural monuments of Brazil
308:Caves of Mato Grosso do Sul
30:natural monument or feature
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254:Preservar é Bonito – IPHAN
242:Preservar é Bonito – IPHAN
227:Preservar é Bonito – IPHAN
215:Preservar é Bonito – IPHAN
77:Bonito, Mato Grosso do Sul
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143:(Blue Lake Cave) is a
271:"Preservar é Bonito"
178:sabre-toothed tigers
105:21.1447°S 56.5915°W
101: /
110:-21.1447; -56.5915
303:IUCN Category III
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73:Nearest city
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125:Natural monument
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26:IUCN category
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282:, retrieved
278:iphan.gov.br
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170:giant sloths
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284:12 February
185:speleothems
166:Pleistocene
159:Description
121:Designation
108: /
84:Coordinates
297:Categories
174:armadillos
153:calcareous
96:56°35′29″W
93:21°08′41″S
79:, Brazil
263:Sources
191:History
131:Created
149:Bonito
274:(PDF)
203:Notes
28:III (
286:2016
176:and
134:1978
147:in
299::
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234:^
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172:,
32:)
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