Illionis

Explore the Illionis on an interactive UPSC geography map with location, description, region, and related landforms.

Quick Facts

• Category: River
• Region: USA, USMCA, North America
• Physicalfeature: River
• System: Mississippi-Missouri
• Subsystem: Illionis waterway
• Country: USA
• Region: USMCA
• Continent: North America