Sgwd Henrhyd and "The Dark Knight" entrance

Sgwd Henrhyd is the tallest waterfall in South Falls with a drop of 90 feet (27 m). The falls occur on the Nant Llech river and the water drops from Farewll Rock, a hard sandstone.

The falls were used in the final scene of "The Dark Knight Rises" when John Blake (Joseph Gordon-Levitt) inherits the Batcave.