Question: Scar Ridge, also known as "Scar Ridge (West Peak)", is a mountain located in Grafton County, New Hampshire, Scar Ridge is flanked to the west by Loon Mountain, a mountain in Lincoln, New Hampshire, is in which location
Context: South Twin Mountain is a mountain located in Grafton County, New Hampshire.  The mountain is part of the Twin Range of the White Mountains.  South Twin forms the high point of a north-south ridge, with North Twin Mountain lying approximately one mile to the north and Mount Guyot two miles (3 km) to the southeast.  Galehead Mountain, a lower spur of South Twin, is to the west. Lincoln is a town in Grafton County, New Hampshire, United States.  It is the second-largest town by area in New Hampshire.  The population was 1,662 at the 2010 census.  The town is home to the New Hampshire Highland Games and to a portion of Franconia Notch State Park.  Set in the White Mountains, large portions of the town are within the White Mountain National Forest.  The Appalachian Trail crosses in the northeast.  Lincoln is the location of the Loon Mountain ski resort and associated recreation-centered development. Mount Tripyramid is a mountain located in Grafton County, New Hampshire.  The mountain, so-called because of the three distinct peaks along its mile-long summit ridge, is part of the Sandwich Range of the White Mountains.  Scaur Peak and The Fool Killer are subsidiary peaks to the northwest and northeast.  To the southeast, Tripyramid is flanked by The Sleepers. The Cannon Balls is a mountain ridge located in Grafton County, New Hampshire.  It is part of the Kinsman Range of the White Mountains.  The ridge has three peaks with elevations of, from west to east, 3,693, 3,660, and 3,769 feet (1,125, 1,115 and 1,148 meters).  The ridge takes its name from adjacent Cannon Mountain, on which a series of boulders, when viewed from the foot of the mountain, resemble an antique artillery cannon.  The Cannon Balls are flanked to the northeast by Cannon Mountain, and to the southwest by Kinsman Mountain. Moose Mountain is an 8 mi -long ridge located in the eastern part of the town of Hanover in Grafton County, New Hampshire.  The mountain is flanked to the north by Holts Ledge, at 2110 ft , and to the south (across Mascoma Lake) by Shaker Mountain, at 1690 ft .  It is traversed by the Appalachian Trail, a 2170 mi National Scenic Trail from Georgia to Maine.  Moose Mountain is outside the White Mountain National Forest, but the trail runs through a narrow corridor along the ridge which is administered by the U.S. Forest Service.  The trail can be accessed from the south along Three Mile Road in Hanover, and from the north along Goose Pond Road in Lyme, New Hampshire. Mount Garfield is a mountain located in Grafton County, New Hampshire.  The mountain is part of the White Mountains.  Mt. Garfield is flanked to the east by South Twin Mountain, and to the southwest along Garfield Ridge by Mount Lafayette. Scar Ridge, also known as "Scar Ridge (West Peak)", is a mountain located in Grafton County, New Hampshire.  It is part of the White Mountains.  It is officially trailless and several different routes are possible.  Scar Ridge is flanked to the west by Loon Mountain, to the northwest by Black Mountain, and to the east by Mount Osceola. Loon Mountain is a mountain in Lincoln, New Hampshire, in Grafton County.  It is in the White Mountain National Forest. Kinsman Mountain is a mountain located in Grafton County, New Hampshire.  It is named after Nathan Kinsman, an early resident of Easton, New Hampshire, and is part of the Kinsman Range of the White Mountains.  To the northeast, Kinsman is connected by The Cannon Balls ridge to Cannon Mountain. Loon Mountain Ski Resort is a ski resort in Lincoln, Grafton County, New Hampshire, United States.  It is located on Loon Mountain and sits within the White Mountain National Forest.  Its vertical drop of 2109 ft is the tenth largest in New England.
Answer: White Mountain National Forest