The Summer Palace (simplified Chinese: 颐和园; traditional Chinese: 頤和園; pinyin: Yíhéyuán), known as Yiheyuan in Chinese, is a vast ensemble of lakes, gardens and palaces in Beijing, China. It serves as a popular tourist destination and recreational park. Mainly dominated by Longevity Hill (万寿山; 萬壽山; Wànshòu Shān) and Kunming Lake (昆明湖; Kūnmíng Hú), it covers an expanse of 2.9 square kilometres (1.1 sq mi), three-quarters of which is water.