Lorze
Lorze at Cham, outflow of Lake Zug
Location
Country	Switzerland
Physical characteristics
Mouth	Reuss
• coordinates	47°14′53″N 8°24′39″E / 47.2480°N 8.4107°E / 47.2480; 8.4107
Basin size	390 km2 (150 sq mi)
Basin features
Progression	Reuss→ Aare→ Rhine→ North Sea

The Lorze is the main river of the Canton of Zug, Switzerland. It flows from Ägerisee through Lake Zug into the Reuss.