Question: What is unique about the ski resort near the towns of Danbury and Andover in central New Hampshire?
Context: The Silver Bullet Express, also known as the Sunday River Ski Train, was a privately owned and operated ski train that ran from Portland, Maine to Sunday River Ski Resort near Bethel, Maine.  The ski train was owned by Sunday River and sponsored by Coors Light.  The train left Portland at 6:45 am, arriving in Bethel at 8:45 am where passengers transferred to Buses which would take them to the mountain.  The return trip would depart Bethel at 5:15 pm.  Amenities included a dining car, parlor car, and a retrofitted boxcar for carrying skis and snowboards.  It operated from 1993 until 1996. Solitude Mountain Resort is a ski resort located in the Big Cottonwood Canyon of the Wasatch Mountains, thirty miles southeast of Salt Lake City, Utah.  With 66 trails, 1200 acre and 2047 ft vertical, Solitude is one of the smaller ski resorts near Salt Lake City, along with its neighbor Brighton.  It is a family-oriented mountain, with a wider range of beginner and intermediate slopes than other nearby ski resorts; 50% of its slopes are graded "beginner" or "intermediate," the highest such ratio in the Salt Lake City area.  Solitude was one of the first major US resorts to adopt an RFID lift ticket system, allowing lift lines to move more efficiently while reducing "lift poaching".  It was followed by Alta Ski Area in 2007.  Solitude is adjacent to Brighton Ski Resort near the top of Big Cottonwood Canyon.  Solitude and Brighton offer a common "Solbright Pass" which provides access to both resorts for a nominal surcharge. TC Gače Ski Resort (ex Bela Ski Resort) is a family Slovenian ski resort located in municipality of Semič on the Pogorelec mountain.  Closest city is Novo Mesto.  It is near Croatian border.  Resort offers 8 km of ski slopes with different difficulty and 6,5 km of cross-country skiing (2 tracks).  There are also sledding slope, hiking path and the mountain biking trail in the summer. Mount Bachelor ski resort is a ski resort located in central Oregon, approximately 22 mi west of Bend, along the Century Drive Highway.  The ski runs are on the northern face of Mount Bachelor, a stratovolcano built atop a volcanic shield in the Cascade Range.  Since 2001, the ski area has been owned by Powdr Corporation of Park City, Utah.  It is the largest ski resort (by area) by more than 1000 acre in Oregon, the second largest single-mountain ski resort in the U.S., behind Vail, and the sixth largest of all ski resorts in the nation. Crystal Mountain Resort was a small day-use ski area near West Kelowna, British Columbia, Canada.  It has two chairlifts and one surface lift: a GMD Mueller doublechair, a Leitner-Poma triplechair, and a Doppelmayr T-bar.  The ski area has 30 designated groomed runs and the resort also has many different tree trails and some glades.  Despite the smaller size of the resort, which is considerably smaller than neighbouring resorts such as Big White Ski Resort and Silver Star Mountain Resort, the mountain is of good size and is a popular destination for both experienced and first-time skiers, snowboarders and snowshoers.  Despite the lower elevation, the resort receives heavy snowfall each year with many powder days throughout the winter season.  It was long known as Last Mountain Ski Resort but has since changed its name to Crystal Mountain Resort in 1992.  Crystal Mountain Resort offers lessons for skiing and snowboarding as well as offering rentals for snowshoeing.  It has not been in operation since 2014 due to a lift malfunction of the Blue doublechair. Mount Hood Meadows is one of the largest ski resorts in the U.S. state of Oregon and the largest ski resort near Mount Hood.  It is located about 67 miles (108 km) east of Portland, and 35 miles (56 km) from Hood River along Oregon Route 35.  It has both Alpine and Nordic ski areas and offers night skiing, lessons and equipment rentals.  There are no overnight accommodations at Mount Hood Meadows itself, but a number of hotels and motels nearby offer shuttle services to the resort. Ragged Mountain is a ski resort located on the northern side of Ragged Mountain in Danbury, New Hampshire, in the United States, with a vertical drop of 1250 ft and spread across 250 acre .  Offering three terrain parks and many glades, the resort is home to the only six-person chairlift in New Hampshire. Gunstock Mountain is the second highest peak in the Belknap Mountains of central New Hampshire with an elevation greater than 2240 feet (683 m).  It is located 1 mi north of Belknap Mountain, the highest point in the range.  It is also the home to Gunstock Mountain Resort ski area.  The ski resort has been written up in national ski magazines for its views of Lake Winnipesaukee. Vail Resorts, Inc. runs four ski resorts in Colorado (Vail Ski Resort, Beaver Creek Resort, Keystone Resort, and Breckenridge Ski Resort), three in Lake Tahoe (Heavenly Mountain Resort, Kirkwood Mountain Resort, Northstar California), one in Utah (Park City Mountain Resort in Park City), one in Vermont (Stowe Mountain Resort), one in Minnesota (Afton Alps), one in Michigan (Mount Brighton), one in Wisconsin (Wilmot Mountain), one in New South Wales, Australia (Perisher Ski Resort), one in British Columbia (Whistler Blackcomb), and a summer resort in Wyoming.  They also own luxury resort hotels throughout the world.  The company trades on the New York Stock Exchange, symbol MTN.  The company is headquartered in Broomfield, Colorado. Ragged Mountain (2286 ft above sea level) is a low mountain with numerous knobby summits in the towns of Danbury and Andover in central New Hampshire.  It is home to the Ragged Mountain ski resort.
Answer: the only six-person chairlift in New Hampshire