Olintepeque is a town, with a population of 31,545, and a municipality in the Quetzaltenango department of Guatemala, not far from the city of Quetzaltenango. It is located on the Xekik'el River. Olintepeque is known for being the place where the legendary Kʼicheʼ king Tecún Umán died in single combat with the Spanish conquistador, Pedro de Alvarado on February 20, 1524. The river Xekik'el takes its name from the famous battle.