The Lago de Tota is the biggest lake in Colombia. There are several small islands, a perfect setting for a canoe or kayak ride across the lake. Also, you can try more adventurous watersports like water ski or diving.
Caño Cristales is a Colombian river located in the Serrania de la Macarena province of Meta. The river is commonly called "The River of Five Colors" or "The Liquid Rainbow," and is referred to as the most beautiful river in the world