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Mandel
Mandel in Roeselare
Location
CountryBelgium
Physical characteristics
Source 
 • locationPassendale
Mouth 
 • location
Leie River, near Waregem
 • coordinates
50°55′02″N 3°25′17″E / 50.9171°N 3.4214°E / 50.9171; 3.4214
Length40 km (25 mi)
Basin features
ProgressionLeieScheldtNorth Sea

The Mandel is a 40-kilometre (25 mi) long river in the Belgian province of West Flanders, left tributary of the Leie (Lys). Its source is located in Passendale. It flows through Roeselare and Ingelmunster, and flows into the Leie near Waregem.