Greenleaf Trail is a hiking trail in Franconia, New Hampshire. It is within White Mountain National Forest and Franconia Notch State Park. It is 3.2 miles long and begins at 5,248 feet altitude. Traveling the entire trail is 6.7 miles with a total elevation gain of 4,046 feet. The Old Man Parking (elevation 2,001 feet) parking can be seen along the trail. There is also a scree along the trail. The trail ends near Mount Lafayette (elevation 5,249 feet).