River Guiers
General data
- Name: River Guiers
- Water system: Rhone
- Water type: River
- Progression: Rhone -> Mediterranean Sea -> Atlantic Ocean -> Planet Earth
- Climates: Temperate
- Continents: Europe
- Countries: France
The Guiers is a river in the Isère and Savoie departments of eastern France. It is 49.9 km (31.0 mi) long. It rises in the Chartreuse Mountains. The part upstream from the confluence with the Guiers Vif (literally Live Guiers) is also called Guiers Mort (literally Dead Guiers).