The Kalba-Too (or Kalbatoo) (Kyrgyz: Калба-Тоо) is a mountain range in the north Tien-Shan, a branch of the Talas Ala-Too Range. The range runs 25 km along its axis with the highest elevation at 4,146 m. The mountains are dissected by a dense net of short and shallow, but steep gulleys. The slopes have a weathering crust, the surface of which is sodded.