page_title: Charles River
hierarchical_section_title: Charles River
caption_attribution_description: English: This is a map of the Charles, Mystic, and Neponset drainage basins.
context_page_description: The Charles River is a river that runs between Boston and Cambridge in Massachusetts. It is 80 miles long and starts at Hopkinton, Massachusetts and ends at the Atlantic Ocean after feeding through the Boston Harbour.
context_section_description: The Charles River is a river that runs between Boston and Cambridge in Massachusetts. It is 80 miles long and starts at Hopkinton, Massachusetts and ends at the Atlantic Ocean after feeding through the Boston Harbour.
caption: Charles, Mystic, and Neponset river watersheds
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