Kristen, It's a 6ish mile loop (3.1ish per side) - crossing the river on the upstream and downstream ends. You can walk up one side, cross over a bridge and walk back on the other, and cross the other bridge back to your car. Or as Melissa suggests, you can do just one leg if you have two cars.
It loops but it is easy to get lost. They have trail markers to follow . ylu can also walk from one side to the other wothpit looping around if ypu bring 2 cars
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