The timing of peak foliage in the Great Smoky Mountains varies depending on elevation and weather conditions. Generally, the higher elevations begin to show color in late September, while the lower elevations reach their peak in mid to late October. To catch the most vibrant displays, plan your visit during this window and consider checking local foliage reports for real-time updates. Early mornings and late afternoons often provide the best lighting for photography, enhancing the natural beauty of the landscape.