Of all the Indonesia tourist places, Kelimutu Lake is a league apart, and certainly one of the most visited of beautiful places in Indonesia. Kelimutu is a collective term given to three crater lakes formed by the volcano of the same name and is deemed. Though situated on the same volcanic peak, three lakes display three different colors red, blue and white. The crater lakes are the must-visit Indonesia tourist spots and certainly one of the best things to do in Sumatra for treating the adventurer in you!