Sylvan Lake (South Dakota)

[1] The lake area offers picnic places, rock climbing, small rental boats, swimming, and hiking trails.

It is also popular as a starting point for excursions to Black Elk Peak and The Needles.

A hotel was operated on the shore of the lake in the early 20th century .

[2] The lake was featured in Disney's 2007 film National Treasure: Book of Secrets.

This South Dakota state location article is a stub.