Little Haystack Mountain is a peak on the Franconia Range of the White Mountains located in Grafton County, New Hampshire, United States. It is flanked to the north by Mount Lincoln and to the southwest by Mount Liberty.
The Appalachian Trail, a National Scenic Trail from Georgia to Maine, traverses Franconia Ridge, including Little Haystack.
Although well over in height, the Appalachian Mountain Club doesn't consider Little Haystack a "four-thousand footer" because it stands less than above the col on the ridge from Lincoln.
The Falling Waters Trail is the most popular route up Little Haystack Mountain, leading from U.S. Route 3 to the summit on the crest of Franconia Ridge. One of the most popular hikes in the Northeastern United States is to traverse the summits of Little Haystack, Lincoln, and Lafayette in a loop.