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.
Cumberland Gap National Historic Park. Description. There are over 85 miles of hiking trails in the park ranging from short, easy 1/4 mile hikes to the 21 mile Ridge Trail. Backcountry trails lead to remote, wilderness areas. Backcountry camping is allowed in designated sites with a permit. Permits are free of charge and can be obtained at the park visitor center.