The source of the Eden is either at the confluence of the two burns (streams), named the Carmore and the Beatie, across the A91 road from  the hamlet of Burnside, near the border with Perth & Kinross, or further upstream the Carmore near the M90 motorway.
The source of Eden is either at the point where the Carmore and Beatie streams converge, adjacent to the A91 road from the hamlet of Burnside, near the border with Perth & Kinross, or upstream along the Carmore closer to the M90 motorway.