Moderate hike
Grotto Falls
Near Gatlinburg, Tennessee
Height25 ft
AccessModerate hike
Trail2.6 mi round trip
Best seasonSpring–fall
the only Smokies fall you can walk behind, on Trillium Gap Trail.
Flow varies with season and recent rain. Check conditions, water levels, and any permit or reservation rules before you go, and never climb on slick rock at the lip of a fall.