A River Runs Through It: 5 Facts About the St Johns River

One of Jacksonville’s most unique features is the St. Johns River that runs right through out city. There is actually a Northbank and Southbank of downtown. Our river defines out great city and is one of our greatest assets. Here are some great facts to check out:

  1. Longest River in Florida: The St. Johns River is the longest river in Florida, stretching for approximately 310 miles (500 kilometers). It flows northward, making it one of the few rivers in the United States that flows in this direction.
  2. Unique Flora and Fauna: The St. Johns River is home to a diverse range of plant and animal species, including some that are found nowhere else in the world. The river and its surrounding wetlands provide habitats for various bird species, fish, alligators, and manatees, among others.
  3. Historical Significance: The St. Johns River has played a significant role in the history and development of Florida. It was used by Native American tribes for transportation and sustenance. In the 19th century, the river became a vital route for steamboat travel and trade, contributing to the growth of settlements and towns along its banks.
  4. Water Reversal Phenomenon: Due to its relatively flat topography and slow flow, the St. Johns River experiences a unique phenomenon known as the “River Reversal.” During high tide, the water level in the Atlantic Ocean can actually be higher than that in the river, causing the flow to reverse temporarily.
  5. Environmental Challenges: The St. Johns River, like many water bodies, faces environmental challenges such as pollution, habitat loss, and algae blooms. Efforts have been made to address these issues through conservation programs, water quality monitoring, and restoration projects to protect the river’s ecosystem.
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