The Jaman-Too (, , or , and also known as Arpanyn Ala-Toosuu) is a range in the south-west of the Internal Tien-Shan. In the east, the range adjoins Fergana Range. It stretches for a length of with a width of . The average elevation is approximately , and the highest elevation of . The southern slopes are steep, and northern - gentle. The mountains are composed of limestone, sandstone, and dolomite.