The South Ugie Water is a tributary of the Ugie Water in northeastern Aberdeenshire, Scotland. To the south of the Ugie Water are a number of prehistoric monuments, evidencing the habitation of early man in the northeast of Scotland; for example, the Catto Long Barrow and a number of tumuli are situated in this locale.
- ^ Ordnance Survey, 2004
- ^ C.M.Hogan, 2008
- United Kingdom Ordnance Survey Map (2004) 1:50,000 scale, Landranger series
- C.Michael Hogan (2008) Longman Hill, Modern Antiquarian 
Coordinates: 57°32′N 1°54′W / 57.533°N 1.900°W