Question: Which county borders the county where Excelsior is located?

full_context: Document 1: Linville Falls Tavern: Linville Falls Tavern, now known as Famous Louise's Rock House Restaurant, is a historic tavern located at Linville Falls, Avery County and McDowell County, North Carolina. It was built in 1936, and is a 1 1/2-story, eight bay, native stone Rustic Revival-style building. It has a hipped roof with dormer and two stone chimneys.
Document 2: Andrews Geyser: Andrews Geyser is a man-made fountain in Old Fort, North Carolina in McDowell County. The fountain is named for Colonel Alexander Boyd Andrews, a North Carolina native who was the Vice President of the Southern Railway Company and one of the men responsible for the construction of the railroad between Old Fort and Asheville, North Carolina, in the late 19th century. The fountain was constructed in 1885 with a dual purpose: it was a feature of the Round Knob Hotel, and a tribute to the approximately 120 men who died building the railroad through this particularly treacherous stretch of land, that culminates with the crossing of the Eastern Continental Divide through the Swannanoa Tunnel. The fountain was said to be eye-catching for railroad passengers ascending the 13 miles of track and seven tunnels that peaks at the top of Swannanoa Gap because it could be seen several times along the route.
Document 3: Upland, McDowell County, West Virginia: Upland is an unincorporated community in McDowell County, West Virginia, United States. Upland is located on U.S. Route 52 south-southeast of Northfork.
Document 4: Superior, West Virginia: Superior is an unincorporated community in McDowell County, West Virginia, United States. Superior is located on U.S. Route 52 east-southeast of Welch.
Document 5: Mohawk, West Virginia: Mohawk is an unincorporated community in McDowell County, West Virginia, United States. Mohawk is west-northwest of Iaeger. Mohawk had a post office, which opened on December 8, 1903, and closed on June 27, 2009. The community was named after the Mohawk Indians.
Document 6: Carter's Tavern: Carter's Tavern is a historic inn and tavern located at Paces, Halifax County, Virginia. It dates to the late-18th and early-19th century and consists of a two-story, double-pile, side-hall-plan main frame section and an earlier 1 1/2-story frame wing on the west end. Both the main part and the wing are covered by gable roofs with simple box cornices. The building was thoroughly restored in 1972. Carter's Tavern remained in operation until 1843.
Document 7: Nancy Lincoln Inn: The Nancy Lincoln Inn is a historic building located at the Abraham Lincoln Birthplace National Historic Site in LaRue County, Kentucky, just south of Hodgenville, Kentucky. Despite being on National Park Service property, it is privately owned.
Document 8: Timberline Cabin: The Timberline Cabin in Rocky Mountain National Park, Colorado, USA was built in 1925 to house workers on the Fall River Road. The National Park Service rustic style cabin was designed by the National Park Service's Landscape Engineering Division under the direction of Thomas Chalmers Vint. The cabin was later used as a patrol cabin and as a caretaker's residence.
Document 9: Dry Creek, West Virginia: Dry Creek is an unincorporated community in Raleigh County, West Virginia, United States. Dry Creek is located on West Virginia Route 3 west-northwest of Beckley. Dry Creek has a post office with ZIP code 25062.
Document 10: Cedar Rock Falls: Cedar Rock Falls (Cedar Rock Creek Falls, Falls on Cedar Rock Creek) is a waterfall in Transylvania County, North Carolina, USA.
Document 11: Apple Grove, McDowell County, West Virginia: Apple Grove is an unincorporated community located in McDowell County, West Virginia, United States. Apple Grove is located along West Virginia Route 80 on the Dry Fork south of Iaeger.
Document 12: Raleigh, North Carolina: Downtown area is home to historic neighborhoods and buildings such as the Sir Walter Raleigh Hotel built in the early 20th century, the restored City Market, the Fayetteville Street downtown business district, which includes the PNC Plaza and Wells Fargo Capitol Center buildings, as well as the North Carolina Museum of History, North Carolina Museum of Natural Sciences, North Carolina State Capitol, Peace College, the Raleigh City Museum, Raleigh Convention Center, Shaw University, and St. Augustine's College. The neighborhoods in Old Raleigh include Cameron Park, Boylan Heights, Country Club Hills, Coley Forest, Five Points, Budleigh, Glenwood-Brooklyn, Hayes Barton Historic District, Moore Square, Mordecai, Rosengarten Park, Belvidere Park, Woodcrest, and Historic Oakwood. In the 2000s, an effort by the Downtown Raleigh Alliance was made to separate this area of the city into five smaller districts: Fayetteville Street, Moore Square, Glenwood South, Warehouse (Raleigh), and Capital District (Raleigh). Some of the names have become common place among locals such as the Warehouse, Fayetteville Street, and Glenwood South Districts.
Document 13: Excelsior, McDowell County, West Virginia: Excelsior is a community incorporated within the city of War in McDowell County, West Virginia. Excelsior is located along Dry Fork to the north of the city along West Virginia Route 16.
Document 14: Jackson Falls National Register Historic District: The Jackson Falls National Register Historic District encompasses the historic village center of Jackson, New Hampshire. It consists of a cluster of buildings centered on the crossing of Jackson Village Road over the Wildcat River, extending on both sides of the river along Five Mile Circuit Road (aka Black Mountain Road) and Carter Notch Road, both of which are part of New Hampshire Route 16B. Most of the properties in the district were built between the 1860s and the 1930s, and are reflective of the community's growth as a summer resort area. The district was listed on the National Register of Historic Places in 2003.
Document 15: Jacobs Fork, West Virginia: Jacobs Fork is an unincorporated community in McDowell County, West Virginia, United States. Jacobs Fork is located on West Virginia Route 16 southeast of War.
ground_truth: Avery County
sub_queries: Excelsior >> located in the administrative territorial entity Answer: McDowell County
McDowell County >> shares border with Answer: Avery County