This Cave Tried to Stop Us… We Climbed Through It Anyway | Caves of Sulawesi #2 An underwater cave hidden beneath a city? In Baubau, that’s exactly what we found.
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In this episode of DiveSAGA, we explore Lanto Cave: a flooded cave system located directly underneath a busy Indonesian city. With over 130,000 people living above it, this underground river flows silently below homes, streets, and a local mosque… completely out of sight.
This cave dive takes us deep into the karst landscape of Sulawesi, known for its limestone formations, underground rivers, and unexplored cave networks. Guided by local cave divers, we navigate crystal-clear water, haloclines (where fresh and salt water meet), and stunning submerged formations like stalactites and stalagmites. Remnants of a time when this cave was dry.
But Lanto Cave is more than just a dive site.
For generations, local communities have visited this cave for ritual cleansing, spiritual belief, and tradition. While we explore it as cave divers, following guidelines, installing jump lines, and managing overhead environments, locals see it as a place of meaning, mystery, and cultural significance.
This is what makes cave diving in Indonesia so unique: the intersection of exploration, science, and deep-rooted human history.
📍 Location: Baubau, Southeast Sulawesi, Indonesia
🌊 Dive type: Cave diving / overhead environment
📏 Length: ~500 meters
🌡️ Water temp: ~25°C
📉 Max depth: ~12 meters
CHAPTERS
00:00 Introduction
00:58 Arrival in Baubau Indonesia
02:09 Preparing for the Cave Diving Expedition
04:29 Arriving at the Mosque
06:59 Insta360 Ace Pro 2
08:00 Starting the Cave Dive in Lanto Cave
09:07 Laying the Cavern Line
12:14 A Display of Light and Colours
14:35 Laying a Jump Line
16:00 Surfacing Under the City
18:32 Epilogue
This is Episode 1 of our “Caves of Sulawesi” series where we explore some of the most unique and rarely filmed cave diving locations in Indonesia.
🎶 "Smoke and Mirrors" performed by Anita Tatlow
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✅ About Dive SAGA - Scuba diving.
Welcome to Dive SAGA, your destination for world-class scuba diving adventures and education. Led by award-winning SCUBA instructor trainer Nick Derutter, this channel explores the depths of our planet through the lens of history, science, and travel. From cave diving, technical and wreck diving to ice diving and more, Dive SAGA is built for passionate divers.
Whether you're a beginner dreaming of your first dive or an experienced diver looking to refine your skills, you'll find value in every episode. Dive SAGA features expert equipment reviews, career insights for aspiring dive professionals, and immersive footage from some of the world’s most breathtaking underwater locations.
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