Grotto Falls is a captivating 25-foot waterfall nestled along the Trillium Gap Trail in the Great Smoky Mountains National Park, near Sevierville, Tennessee. This moderate 2.6-mile roundtrip hike meanders through an old-growth hemlock forest, offering hikers a serene journey accented by vibrant wildflowers in spring and multiple stream crossings. Grotto Falls holds the unique distinction of being the only waterfall in the park that visitors can walk behind, providing a refreshing mist and a unique vantage point of the cascading water. The trail is part of the Roaring Fork Motor Nature Trail, a scenic drive accessible from Gatlinburg, and is a popular destination, especially during the warmer months. Hikers should exercise caution around the waterfall, as the area can be slippery due to constant moisture. For those seeking a longer adventure, the trail continues beyond the falls to the summit of Mount LeConte. Grotto Falls offers a memorable experience, combining natural beauty with a touch of adventure.