The lake lies at an altitude of 748 meters above sea level. Loch Vrotachan has a maximum length of 0.51 kilometers and a maximum width of 0.20 kilometers, resulting in an area of 9 hectares and a circumference of one kilometer. The lake has a volume of 642,076 kiloliters. Its catchment area is 67 hectares. Loch Vrotachan has an average depth of 6.9 meters. The Loch Vrotachan catchment area extends eastwards to the slopes of the 933 meter high
The Cairnwell, which marks the border with the neighboring
Perth and Kinross council area or the traditional county of
Perthshire. The shores of Loch Vrotachan are uninhabited. ==References==