Photo 2 Lake Baikal (IMAGE) Helmholtz Centre for Environmental Research - UFZ Caption Lake Baikal is not only the oldest and largest lake on Earth, but also the deepest at over 1,500 metres in depth. Credit Till Luckenbach, UFZ Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.