Rivers That Flow Underground
Puerto Princesa Underground River
A UNESCO World Heritage Site, this 8.2 km underground river flows through limestone caves before reaching the sea.
Timavo River (Slovenia & Italy)
Disappears underground in Slovenia and re-emerges in Italy—this river travels through caves for nearly 40 km.
Lost River (Indiana, USA)
True to its name, much of this river flows underground through sinkholes and cave systems before occasionally surfacing.
Cave River (Jamaica)
Known locally as “One Eye River,” parts of it vanish into limestone caves and reappear miles away.
Alapaha River (Georgia, USA)
In dry seasons, the river vanishes into sinkholes, flowing silently below the surface before resurfacing elsewhere.
Danube Sinkholes (Germany)
Sections of the Danube disappear underground into karst formations during summer, then reappear miles away.
Yucatan’s Cenote Rivers (Mexico)
Below Mexico’s surface lies a vast network of freshwater rivers that flow through cenotes and flooded caves.
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