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Home » Watersheds » St. John

St. John

St. John River Data

Length: 410 miles
Drainage Area: 21,230 square miles (above Merrymeeting Bay)
Discharge at Mouth: 25.5 billion gallons/day (avg.)

Rivers, Lakes, and Streams in the St. John Watershed

  • Allagash River
  • Armstrong Brook
  • Aroostook River
  • Baker Brook
  • Beaver Brook
  • Big Black River
  • Big Brook
  • Blackwater River
  • Blake Brook
  • Bluffer Brook
  • Boody Brook
  • Brailey Brook
  • Bull Brook
  • Burnt Land Brook
  • Burpee Brook
  • Caribou Brook
  • Caribou Stream
  • Carry Brook
  • Chandler Brook
  • Chandler Stream
  • Chase Brook
  • Chemquasabamticook Stream
  • Chimenticook Stream
  • Daigle Brook
  • Dead Brook
  • Depot Stream
  • Desolation Brook
  • Factory Brook
  • Farm Brook
  • Farrar Brook
  • Fish River
  • Five Finger Brook
  • Fivemile Brook
  • Gardner Brook
  • Glazier Brook
  • Greenlaw Brook
  • Greenlaw Stream
  • Halfway Brook
  • Hammond Brook
  • Hayden Brook
  • Hockenhull Brook
  • Horse Brook
  • Houlton Brook
  • Howe Brook
  • Knowles Brook
  • Little Black River
  • Little Brook
  • Little Musquacook Stream
  • La Pomkeag Stream
  • Libby Brook
  • Limestone Stream
  • Little Black Brook
  • Little Hudson Brook
  • Little Madawaska River
  • Meduxnekeag River
  • Musquacook Stream
  • Pelletier Brook
  • Petite Brook
  • Pockwock Stream
  • Robbins Brook
  • Russell Brook
  • St. Francis River
  • Schedule Brook
  • Smith Brook
  • Snare Brook
  • Soper Brook
  • Shields Brook
  • Thoroughfare Brook

One of the largest river basins on the East Coast, the St. John drains over 21,000 square miles of land. Its upper portions are some of the most remote stretches of river in all New England.

The French explorer Samuel de Champlain named the river after sailing into its mouth on the Nativity of St. John the Baptist day in 1604.

A tributary, the Allagash, is a favorite canoeing destination. To protect this remarkable river, the state of Maine created the Allagash Wilderness Waterway, a Federally-designated “Wild and Scenic River.”

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