Kakhk (, also Romanized as Kākhk and Kākhak; also known as Kākh) is a city in, and the capital of, Kakhk District of Gonabad County, Razavi Khorasan province, Iran.
At the 2006 census, its population was 4,015 in 1,252 households. The following census in 2011 counted 4,413 people in 1,338 households. The latest census in 2016 showed a population of 4,625 people in 1,549 households.
Geography
The city is classified as having a steppe climate with medium latitude at an altitude of 1483.26 meters above sea level. The annual temperature of the region is 17.42 degrees Celsius and 1.01% lower than the average temperature of Iran. Kakhk normally receives about 26.86 mm of rain and has 51.34 rainy days annually.