(a) Name. The name of the viticultural area described in this section is “Upper Cumberland”. For purposes of part 4 of this chapter, “Upper Cumberland” is a term of viticultural significance.

(b) Approved maps. The 8 United States Geological Survey (USGS) 1:100,000 scale topographic maps used to determine the boundary of the Upper Cumberland viticultural area are:

(1) Bowling Green, 1985;

(2) Tompkinsville, 1985; photoinspected 1992;

(3) Corbin, 1981;

(4) Nashville, 1984;

(5) Cookeville, 1982;

(6) Oak Ridge, 1979;

(7) McMinnville, 1981; and

(8) Watts Bar Lake, 1981.

(c) Boundary. The Upper Cumberland viticultural area is located in Cumberland, Fentress, Macon, Overton, Putnam, Smith, Warren, and White Counties, in Tennessee. The boundary of the viticultural area is described as follows:

(1) The beginning point is on the Bowling Green map at the intersection of the shared Macon-Sumner County line and the shared Kentucky-Tennessee State line. From the beginning point, proceed south along the shared Macon-Sumner County line, crossing onto the Nashville map and continuing along the shared Macon-Sumner County line to its intersection with the Trousdale County line; then

(2) Proceed east, then southeast, then east along the shared Trousdale-Macon County line, crossing onto the Cookeville map and continuing east along the shared Trousdale-Macon County line to its intersection with the Smith County line; then

(3) Proceed southwesterly along the shared Smith-Trousdale County line, crossing back onto the Nashville map and continuing southwesterly, then westerly along the shared Smith-Trousdale County line to its intersection with the Wilson County line; then

(4) Proceed southeasterly along the shared Wilson-Smith County line to its intersection with the DeKalb County line; then

(5) Proceed east along the shared Smith-DeKalb County line, crossing onto the Cookeville map and continuing east along the Smith-DeKalb County line to its intersection with the Putnam County line; then

(6) Proceed southeast along the shared DeKalb-Putnam County line to its intersection with the White County line; then

(7) Proceed southeast along the shared DeKalb-White County line, crossing onto the McMinnville map and continuing south along the DeKalb-White County line to its intersection with the Warren County line; then

(8) Proceed west along the shared DeKalb-Warren County line to its intersection with the Cannon County line; then

(9) Proceed southwesterly along the shared Warren-Cannon County line to its intersection with the Coffee County line; then

(10) Proceed southeast along the shared Warren-Coffee County line to its intersection with the Grundy County line; then

(11) Proceed east along the shared Warren-Grundy County line to its intersection with the Sequatchie County line; then

(12) Proceed east along the shared Warren-Sequatchie County line to its intersection with the Van Buren County line; then

(13) Proceed northwest, then north along the shared Warren-Van Buren County line to its intersection with the White County line; then

(14) Proceed east, then southerly along the shared White-Van Buren County line to its intersection with the shared Cumberland-Bledsoe County line; then

(15) Proceed east along the shared Bledsoe-Cumberland County line to its intersection with U.S. Highway 127/State Road 29; then

(16) Proceed northeast in a straight line for a total of 21.81 miles, crossing over the Watts Bar Lake map and onto the Oak Ridge map to the intersection of the straight line with the shared Cumberland-Morgan County line east of Hebbertsburg; then

(17) Proceed northwesterly, then westerly, then northwesterly along the shared Cumberland-Morgan County line to its intersection with the Fentress County line; then

(18) Proceed north, then northeast along the shared Fentress-Morgan County line to its intersection with the Scott County line; then

(19) Proceed northeast, then northwest along the shared Scott-Fentress County line, crossing onto the Corbin map and continuing along the shared Scott-Fentress County line to its intersection with the Pickett County line; then

(20) Proceed west, then northwesterly along the shared Fentress-Pickett County line, crossing over the Tompkinsville map and onto the Cookeville map and continuing along the shared Fentress-Pickett County line to its intersection with the Overton County line; then

(21) Proceed west, then northwesterly along the shared Pickett-Overton County line, crossing onto the Tompkinsville map and continuing along the shares Pickett-Overton County line to its intersection with the Clay County line; then

(22) Proceed southwesterly along the shared Overton-Clay County line, crossing onto the Cookeville map and continuing south along the shared Overton-Clay County line to its intersection with the Jackson County line; then

(23) Proceed southerly along the shared Overton-Jackson County line to its intersection with the Putnam County line; then

(24) Proceed westerly along the shared Putnam-Jackson County line to its intersection with the Smith County line; then

(25) Proceed westerly, then northerly along the shared Smith-Jackson County line to its intersection with the Macon County line; then

(26) Proceed north along the shared Macon-Jackson County line, crossing onto the Tompkinsville map and continuing along the shared Macon-Jackson County line to its intersection with the Clay County line; then

(27) Proceed north along the shared Macon-Clay County line to its intersection with the shared Tennessee-Kentucky State line; then

(28) Proceed west along the Tennessee-Kentucky State line, crossing onto the Bowling Green map and returning to the beginning point.