Complex sentence: Big Almaty Lake (rus. Большое Алматинское Озеро) is natural alpine reservoir located in the Trans-Ili Alatau mountains at the height of 2511 meters above sea level, 15 km south from the center of Almaty in Kazakhstan.
Split into simpler sentences: Big Almaty Lake (rus. Большое Алматинское Озеро) is natural alpine reservoir. It is located in the Trans-Ili Alatau mountains at a height of 2511 meters above sea level, 15 km south from the center of Almaty in Kazakhstan.