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.
Emil Bott's painting of the Cumberland River near Nashville, ca. 1855. From its headwaters in Lechter County, Kentucky, to its mouth at Smithland on the Ohio River, the Cumberland River travels almost 700 miles and drains a watershed of 18,000 square miles. Over 300 miles of the river flow through Tennessee, which contains 11,000 square miles of the watershed. Seven major tributary river systems to the Cumberland rise in Tennessee: the Obey-Wolf, Roaring, Caney Fork, Stones, Harpeth, and Red River systems, as well as the Big South Fork of the Cumberland, which enters at Burnside, Kentucky. All but the Red River enter from the south side of the Cumberland. A portion of the upper reaches above Lake Cumberland in Kentucky is designated a wild river for its many rapids and shoals, and an additional 100,000 acres on the Big South Fork are a national ...