Tucked away at the southern end of the Black Hills is Cascade Falls — a swimming hole like those of yesteryear that inspires a sense of nostalgia. Above the falls are shallow areas for kids to splash or adults to lounge and chat. Below the falls the water reaches of depth of about 7' and a natural ledge offers the perfect jumping-off point to the deeper waters. Beyond the swimming hole you'll find another place to sit with your group in a round rock pool. A must-see on your B