Luther Water is a generally southerly flowing river in Aberdeenshire, Scotland that discharges to the River North Esk; this watercourse rises in the Howe of the Mearns somewhat south of Drumelzie Forest.United Kingdom Ordnance Survey Map Landranger 45, Stonehaven and Banchory, 1:50,000 scale, 2004 Draining chiefly agricultural lands, this stream has a notable lack of turbidity and a pH level of approximately 8.