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 |
The east and south side of the mountain drains into the Souhegan River watershed, to the Merrimack River thence the Atlantic Ocean; the west and north sides drain into the Millers River watershed, to the Connecticut River, thence into Long Island Sound.
Souhegan High School, along the Souhegan River in Amherst, New Hampshire