Arakhley (Russian: Арахле́й; Buryat: Арахира нуур) is a fresh water body in the Chita District, Zabaykalsky Krai, Russia. It is the 208th lake in Russia in water surface. The villages of Arakhley and Preobrazhenka are located near the lakeshore. Arakhley is a locally well-known tourist destination and there are a number of resorts by the lake.
Arakhley lake has a roughly oval shape. It is located in the Beklemishev Depression, at the southeastern end of the Vitim Plateau, west of Chita, Zabaykalsky Krai and lake Kenon. It is separated from neighboring Lake Shaksha by a low, 1.2 km wide landspit.
It is part of the Ivan-Arakhley Lake System (Russian: Ивано-Арахлейские озёра), which includes 6 large lakes and about 20 smaller ones. Arakhley is the largest of the group and it is also the lake having the greatest depth.
There are two small rivers flowing into the lake, the Domka and the Gryaznukha, also known as Shaborta. The Kholoy stream flows out of the lake into Lake Shaksha. The 242 km2 catchment area of the lake belongs to the Khilok river basin, a tributary of the Selenga.
