It starts in Anne Arundel County in Elvaton Park in Millersville, and flows into Chesapeake Bay next to Gibson Island.
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Some of the creeks on its south shore drain highly developed portions of Severna Park and Arnold, especially North Cypress Creek, which drains much of the Park Plaza and Giant shopping centers along Ritchie Highway north of McKinsey Road.
Mississippi River | River Thames | Amazon River | Columbia River | Hudson River | Colorado River | Potomac River | river | Ohio River | Missouri River | Delaware River | Murray River | River Tyne | Madeira River | Volga River | River Nene | River Clyde | River Trent | River Severn | Amur River | River Wear | Allegheny River | Red River | Dnieper River | Yarra River | Paraná River | River Tees | Fraser River | Yangtze River | Tocantins River |