Kailu County (
Mongolian: ''Ḵayilü siyan''; ) is a county in the east of
Inner Mongolia, People's Republic of China. It is under the administration of
Tongliao City, to the east, and
China National Highway 303 passes through it.
History

As the traditional seat of Ar Khorchin, East Jaruud and West Jaruud, the 3 areas are abbreviated in Chinese as the 3 R's since each contains the word R transcribed as "LU" in Chinese. The 3 R's was then known as the 3 Lu's as well. In 1905, with the slogan of developing the 3 R's (開發三魯), the city took the name of such abbreviation and was named 開魯 (KAI LU).
Climate
Kailu County features a cold
semi-arid climate (
Köppen ''BSk''), marked by long, very cold and dry winters, hot, somewhat humid summers, and strong winds, especially in spring. The monthly daily mean temperature in January, the coldest month, is , and in July, the warmest month, , with the annual mean at . The annual precipitation is , with nearly half of it falling in July and August alone.
References
www.xzqh.org
County-level divisions of Inner Mongolia
Tongliao
{{InnerMongolia-geo-stub