Question: What is the mountain located in the Chattahoochee National Forest that is part of the Appalachian Trail by state?

Context paragraphs:
Southern Nantahala Wilderness: The Southern Nantahala Wilderness was designated in 1984 and currently consists of 23473 acre .  Approximately 11770 acre are located in Georgia in the Chattahoochee National Forest and approximately 11703 acre are located in North Carolina in the Nantahala National Forest.  The Wilderness is managed by the United States Forest Service and is part of the National Wilderness Preservation System.  The highest elevation in the Southern Nantahala Wilderness is the 5,499-foot (1676 m) peak of Standing Indian Mountain in North Carolina and the lowest elevation is approximately 2400 ft .  The Appalachian Trail passes through the Wilderness in both states.

Chattahoochee-Oconee National Forest: The Chattahoochee-Oconee National Forest in northern Georgia comprises two United States National Forests, the Oconee National Forest and Chattahoochee National Forest.  The combined total area of the Chattahoochee-Oconee National Forest is 866468 acre , of which the Chattahoochee National Forest comprises 750145 acre and the Oconee National Forest comprises 116232 acre .  The county with the largest portion of the forest is Rabun County, Georgia, which has 148684 acre within its boundaries.

Horsetrough Falls: Horsetrough Falls are located on one of the flanks of Horsetrough Mountain in Union County, Georgia.  This 70 ft waterfall is located on a creek that is part of the headwaters of the Chattahoochee River and is in the Mark Trail Wilderness.  There is an observation platform at the falls which can be reached by the 0.4 mi Horsetrough Falls Trail.  The trail begins at the nearby Upper Chattahoochee Campground camping area, which is maintained and operated by the Chattooga Ranger District of the Chattahoochee National Forest.  The Eastern Continental Divide follows the main ridge line of Horsetrough Mountain and the water passes over Horsetrough Falls to begin a 500 mi journey to the Gulf of Mexico via the Chattahoochee River.

Jacks Knob: Jacks Knob is a mountain located on the border of Towns County and Union County, Georgia, with a peak elevation of 3,813 feet.  The Appalachian Trail crosses the southern flank of the mountain and Jacks Knob Trail ends here at an intersection with the Appalachian Trail.  Jacks Knob is in the Mark Trail Wilderness of the Chattahoochee National Forest.

Cowrock Mountain: Cowrock Mountain is a mountain that is located in Lumpkin and White counties in Georgia.  The mountain forms a north/south ridge.  Its northern peak, Cowrock, has an elevation of 3852 ft and its southern peak, Cowrock Flat, has an elevation of 3502 ft .  The boundary line between Lumpkin and White counties follows the ridge formed by Cowrock Mountain.  The peak called Cowrock is the highest point in Lumpkin County, forms the northeast corner of the county.  The Appalachian Trail also crosses Cowrock Mountain.  The mountain is located within the Raven Cliffs Wilderness in the Chattahoochee National Forest.

Horsetrough Mountain: Horsetrough Mountain, with a summit elevation of 4045 ft , is located in Union and White counties in northeastern Georgia, USA.  It is also within the boundaries of the Chattahoochee National Forest and is part of the Mark Trail Wilderness.  The Eastern Continental Divide follows the main ridge line that makes up the mountain, crossing the peak.  Water to the south and east of the mountain flows to the Atlantic Ocean, while water to the north and west of the mountain flows to the Gulf of Mexico.  Streams from Horsetrough Mountain form some of the headwaters of the Chattahoochee River, and the West Fork Little River.  The Appalachian Trail follows the main ridge line of the mountain but does not cross the summit.  Horsetrough Falls is located on the southern side of the mountain.

Tray Mountain: Tray Mountain, with an elevation of 4430 ft is the seventh-highest peak in Georgia.  The boundary line between White and Towns counties bisects the mountain, but leaves the summit in Towns County.  Habersham County lies on a lower part of the mountain, but not on the summit.  Tray Mountain is within the borders of the Chattahoochee National Forest and is part of the Tray Mountain Wilderness.  The mountain is referred to by some as the grandstand for viewing the Nantahala Mountains in North Carolina and the rest of the Blue Ridge Mountains in Georgia.  The Appalachian Trail crosses the peak.

Appalachian Trail by state: The Appalachian National Scenic Trail spans fourteen U.S. states during its journey that is 2189 mi long, including Georgia, North Carolina, Tennessee, Virginia, West Virginia, Maryland, Pennsylvania, New Jersey, New York, Connecticut, Massachusetts, Vermont, New Hampshire, and Maine.  It begins at Springer Mountain, Georgia, and follows the ridgeline of the Appalachian Mountains, crossing many of its highest peaks and running with only a few exceptions almost continuously through wilderness before ending at Mount Katahdin, Maine.

Springer Mountain: Springer Mountain is a mountain located in the Chattahoochee National Forest on the border of Fannin and Gilmer counties.  Located in the Blue Ridge Mountains in northern Georgia, the mountain has an elevation of about 3782 ft .  Springer Mountain serves as the southern termini for the Appalachian and Benton MacKaye trails.

Coosa Bald: Coosa Bald, with an elevation of 4280 ft , is tied with Double Spring Knob as the tenth-highest peak in Georgia.  It is located in Union County and is the third-highest mountain in the county, behind Blood Mountain and Slaughter Mountain.  Coosa Bald is located in the Chattahoochee National Forest and its peak is crossed by the Duncan Ridge Trail, a trail that connects with the Benton MacKaye Trail and the Appalachian Trail.

Supporting paragraphs: Appalachian Trail by state Springer Mountain
Answer: Springer Mountain