|A key that further describes the type of canal.|
|Used on these elements|
|Documented values: 1|
|Status: in use|
|Tools for this tag|
canal=qanat - for a qanat, also known as a faraj, khettara, kariz or kanez - a gently sloping underground channel used to transport water downhill from an aquifer or water well to the surface, found in the Middle East and surrounding arid areas near hills or mountains.
canal=leat - a leat, an artificial watercourse dug into the ground, especially one supplying water to a watermill or its mill pond, usually found in the south and west of England and in Wales.