Tuaille's Fall is a collection of waterfalls starting a bit inland from the east coast of The Elms and eventually falling down the cliffs into the ocean.
There is a Lunekin Village behind the largest of these falls, living in a cave that tunnels through a mountain and opens back up in the forest. The Lunekin take advantage of the constantly falling water by using it to power a pulley system and water wheel, making this particularly village the most advanced in the forest.