The "jacuzzi's" of Quebrada Las Gachas, Santander. You like bathing, but the Hotel pools are to crowded for your taste? In Santander you can bathe in a natural little jacuzzi pool and enjoy the quiet nature Setting around.
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.