Dean’s Blue Hole
202 meters deep sinkhole in the sea, only 25 – 35 metres across.
Sotano del Barro
One of the largest sinkholes of the world, 455 m deep, with 410 m direct fall. Width – 420 m, formed in Lower Cretaceous limestone.
Hoya de las Guaguas
Sinkhole – cave of giant size. Entrance shaft is 202 m deep, total depth 478 m, cave chamber up to 290 m tall. Thousands of swifts and parrots live in the sinkhole.
Poza Seca, Sistema Zacaton
One of the unique travertine capped sinkholes in Sistema Zacatón: formerly open sinkhole has sealed itself with a limestone lid. Most likely it hides unknown life forms, not investigated.
Cenote Azufrosa and La Cristalina, Sistema Zacaton
Part of the unique Sistema Zacaton. Cenote Azufrosa is silted sinkhole, La Cristalina is crystal clear, up to 50 m deep pool at the edge of Cenote Azufrosa.
El Nacimiento spring, Sistema Zacaton
A powerful spring in the unique Zacatón karst field, united with El Zacatón sinkhole through 230 m long underground passage.
Caves
Wondermondo 🢖 Categories of wonders 🢖 Geological wonders 🢖 Caves Category Caves Described caves What is included in this category? Every year there are reported exciting discoveries of new caves and discoveries of new qualities such as cave paintings in the ones known before. But there still is a feeling that our knowledge covers just a small part of all these […]
Naré sinkhole
One of the most spectacular sinkholes in the world, also located in an exotic jungle. Up to 310 meters deep, up to 150 meters across, volume – 4.7 million m³. Walls are overhanging, below flows a powerful river. At the top part of the sinkhole, inside it often is seen clouds. The further cave reaches 415 m depth.
Mamo Kananda Cave
Giant cave with explored passages 55 km long, the longest known in Papua New Guinea. The three largest cave chambers have a volume of 1 million m³. An enormous cavity called Space Oddity is located 525 m below the entrance.
Mamo plateau
Unique landscape – here close together are located more than 100 giant sinkholes, up to 600 m wide and up to 420 m deep (Uli Malemuli sinkhole). The volume of the largest sinkholes reaches 31 million m³, their walls though are not vertical. Numerous waterfalls are falling into sinkholes.
