The St. Johns, running northWater the tide is pushing backHow far up the tide reachesA big spring that feeds it
The river's fall
About this dataThe height of the river's surface above sea level, in feet, every 5 miles from the sea, from NHDPlus High Resolution's smoothed flowline elevations along the river's path. They're approximate, and flat across its lakes. The river's name, and this path, begin at Lake Hell 'n' Blazes; its marshes reach farther south.