Guhl In the entire region of western Himalayas comprising Jammu, Himachal Pradesh and northern Uttaranchal, guhl (called kuhl in Himachal Pradesh) is a standard water harvesting technique.
A cut in made in the stream, which is further extended by stone embankment, generally made of a pile of stones. Often, it goes on till several kilometers to reach the crop fields.
In Nainital and Dehradun streams are dammed with the help of trees and branches and a channel diverted towards fields.