|This article's factual accuracy is disputed. (January 2010)|
High Knob Tower
|Elevation||4,223 ft (1,287 m)|
|Prominence||2,043 ft (623 m)|
|Location||Wise County, Virginia, U.S.|
|Topo map||USGS Norton|
|Easiest route||Hike, or drive from Route 619 to near the summit|
High Knob is the peak of Stone Mountain, that forms part of the border between Scott County and Wise County, Virginia near the city of Norton that rises to 4,223 feet ( 1,287 meters ) above mean sea level.
High Knob is found on the western front range of the Appalachian Mountains, along the mountainous southeastern edge of the Cumberland Plateau of southwestern Virginia. It is unique to Virginia in containing both Appalachian Plateau and Ridge and Valley topography; although, it is largely a karstic landform of the Ridge and Valley Province.
High Knob stretches across portions of southern Wise County, northern Scott County, and the northeastern tip of Lee County. It is one of the most significant physical features in Virginia and is among the widest singular mountains in the southern Appalachians, being locally greater than 13 miles ( 21 km ) wide from base to base and more than 26 miles (42 km) long. It represents the "pivot point" of the  (first described in notable detail during the 1920s and 1930s by geologists Charles Butts and John Rich).
Although some 1,000 to 1,500 feet (300 to 450 m) lower in elevation than the Mount Rogers highcountry to the east (Mount Rogers is the highest peak in Virginia), the terrain surrounding the High Knob of Stone Mountain forms a true highcountry with respect to the western slopes of the Appalachians in Virginia (i.e., the Cumberland Mountains).
The High Knob area of Stone Mountain forms one of the greatest natural areas in the eastern United States. Today its calcareous heart has been breached by massive erosion to expose an ecologically renowned karst landscape which stretches from the Powell Valley area of Wise County, southwest across the Powell River Valley of Lee County to the Norris Lake of Tennessee. Drainage from High Knob has also formed hydrologically complex conduit systems which have directly led to formation of the magnificent Natural Tunnel and Rye Cove Karst Basin of Scott County, where endemic species such as the Rye Cove Isopod are found.
The area around High Knob is dominant structural feature of the Powell Valley Anticline of the Cumberland Mountain Overthrust Block. With its adjoining faults (Hunter Valley-Clinchport system), this region possesses the greatest concentration of significant caves in Virginia.
The summit of High Knob in particular exerts a significant impact upon the climate of southwestern Virginia and surrounding areas, being one of the rainiest and snowiest locations in both Virginia and the southern Appalachians.
This orographically forced climate has, through the vastness of time, worked in intimate union with the geology and topography to create a richly diverse landscape possessing vast biological diversity.
High Knob unofficially holds the record for the most snow ever measured in Virginia during a single season, with 200.5 inches (509 cm) during the 1995–96 winter.
During a typical year, 60.0 inches to 70.0 inches (152.4 cm to 178.0 cm) of total precipitation falls across the area, to make it one of the wettest areas north of the Great Smokies, and the wettest in Virginia for which there are available records. Significant additional moisture contributions occur from fog drip off trees and rime deposition on trees, with many days during the year being spent amid orographic feeder clouds that cap its upper elevations.
High Knob Lookout Tower
At its peak stood one of the few remaining fire towers of the Appalachian Mountains. Built in 1938–39 by the Civilian Conservation Corps, the original structure was a 14' × 14' wooden house. The most recent three-story structure was built by the Flatwoods Job Corps in 1978–79. High Knob's fire tower is listed in the National Historic Lookout Registry.
On October 31, 2007, the High Knob Lookout Tower was destroyed by arson. The tower was set on fire in the early hours of Halloween morning. By the time the Jefferson Forest Service and local fire departments arrived on scene, the fire tower was fully engulfed in flames, and could not be saved. Firefighters were able to keep the fire from spreading to the rest of the Knob, which was suffering from drought conditions.
For more information about High Knob, current events, and important news, please reference The Clinch Coalition, link below.
- "High Knob, Virginia". Peakbagger.com. Retrieved 2012-12-18.
- "High Knob". Geographic Names Information System, U.S. Geological Survey. Retrieved 2012-12-18.
- http://www.geo.arizona.edu/web/DeCelles/geos456_556/references/Rich.pdf Cumberland Mountain Overthrust Block
- http://www.firetower.org National Historic Lookout Registry
- Clinch Coalition
- "High Knob-Stone Mtn". SummitPost.org. http://www.summitpost.org/page/153385. Retrieved 2008-10-10.
- TopoQuest. "USGS Quad Norton, VA". Retrieved 2008-06-29.
- Kingsport Times-News. "Arsonists destroy High Knob tower". Retrieved 2007-10-31.
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