Caño Cristales [Suggest Edits]
This strange river is known for it's florid colors and waterfalls. The colors are most intense from July through November river becomes a liquid rainbow and appears yellow, green, blue, black, and red. The river runs over 1.2 billion year old quarzite.
Half-Day Run: This is a very difficult location to get to. Most visits here are through guide companies that arrange in country flights and guides.
Gem Type: Swimming