The River Farg
is a small tributary of the River Earn
, located in the lieutenancy area
of Perth and Kinross
, central Scotland
. Its source is located in Glen Farg
reservoir; it winds round roads and farms, and has been forced in many places to change course due to human interference. It ends in a confluence where it joins the Earn.
The name Farg means "wrathful" in Manx, referring to the force of the river when in spate.