A forest carved from stone
The surface of Tsingy de Bemaraha National Park is a formidable area of limestone spires. In the Malagasy language, "tsingy" means "where one cannot walk barefoot," an apt description for the razor-sharp rock formations that can tower up to 100 meters high. This dramatic topography began forming around 200 million years ago when layers of calcite settled at the bottom of a Jurassic lagoon, creating a vast limestone bed. Tectonic activity later uplifted this plateau, and millions of years of heavy monsoon rains dissolved the rock, carving deep canyons and leaving the harder limestone standing as dense pinnacles.
Beneath this imposing surface lies a second, hidden world. The same erosion that sculpted the peaks also created an extensive subterranean network of caves, fissures, and underground rivers. Water vanishes from the surface, draining through the porous karst terrain into these hidden channels. Major rivers, like the Manambolo, have carved immense gorges up to 300 meters deep through the plateau, feeding this complex and largely unexplored plumbing system. This subterranean drainage makes the Tsingy an important water source for the entire Antsalova region.