It is a Colombian river located in the Serrania de la Macarena province of Meta, and is a tributary of the Guayabero River. The river is commonly called the "River of Five Colors" or the "Liquid Rainbow," and is noted for its striking colors.
The largest paramo – Andean highland moor – in the world. Numerous endemic species including up to 12 m high Espeletia plants.
It is in an incredible engineering feat. Initially built by miners of the salt mines as a sanctuary before work, it was later extended, with a capacity of around 8,000. After structural concerns, a new cathedral was built and opened in 1995. It’s an incredible sight, an underground labyrinth, illuminated by colourful lights.