San Luis Rey River
General data
- Name: San Luis Rey River
- Water system: Pacific Ocean
- Water type: River
- Progression: Pacific Ocean -> Planet Earth
- Climates: Temperate
- Continents: North America
- Countries: United States of America
The San Luis Rey River is a river in northern San Diego County, California.
The river's headwaters are in the Palomar Mountain Range and Cleveland National Forest, near Palomar Mountain and the Santa Rosa Mountains.
The river mouth, on the Pacific Ocean, is in northern Oceanside.
The San Luis Rey River bike path runs along it for its last 9 miles (14 km). The river is over 69 miles (111 km) long[4] and drains 562 square miles (1,460 km2).
There is little water in the river during most of the year, but it can have very large flows during winter storms.