Communication of information between neurons is accomplished by movement of chemicals across a small gap called the synapse. Chemicals, called neurotransmitters, are released from one neuron at the presynaptic nerve terminal.
Follow Trail 12 until it runs back into trail 1 and familiar sights and then you are only about 200 yards from the great Cumberland Falls. To the best of my guessing ability I would say this loop was about 8.5 miles long which took us about 3 hours and 45 minutes.
Roughly 85 miles of hiking trails meander through the eastern deciduous forests of Cumberland Gap. Distances range from a 1/4-mile loop trail to the 21-mile-long Ridge Trail. Some of the most popular destinations in the park include the Hensley Settlement, White Rocks, Sand Cave and Tri-State Peak.