Willow Creek (Columbia tributary)

General data
- Name: Willow Creek (Columbia tributary)
- Water system: Columbia River
- Water type: River
- Progression: Columbia River -> Columbia River Estuary -> Pacific Ocean -> Planet Earth
- Climates: Temperate
- Continents: North America
- Countries: United States of America
Description
Willow Creek is a 79-mile (127 km) long tributary of the Columbia River, located in the U.S. state of Oregon. It drains 880 square miles (2,279 km2) of Morrow and Gilliam counties. Arising in the Blue Mountains, it flows generally northwest to its confluence with the Columbia River upstream of Arlington.