Sylvan Lake Campground is located in the Black Hills of South Dakota, offering breathtaking views of the surrounding mountains and crystal-clear lake. The campground has 39 RV and tent sites, each with a picnic table and a fire pit. The campground is open from May to September and operates on a first-come, first-served basis.

The campground is located near some of the most famous attractions in the Black Hills, such as Mount Rushmore, Crazy Horse Memorial, and the Needles Highway. Other nearby activities include hiking, fishing, and rock climbing. The area is also home to a variety of wildlife, including bison, elk, and mountain goats.

Campground amenities include potable water, flush toilets, and a dump station. There are no showers or electric hookups available at the campground. However, there is a lodge and restaurant nearby for those looking for a more comfortable stay.

An interesting fact about the area is that Sylvan Lake was featured in the movie National Treasure: Book of Secrets as a location where a secret treasure was hidden.

The best time to visit Sylvan Lake Campground is in the summer months, with average temperatures ranging from 70-80°F during the day and 50-60°F at night. However, visitors should be prepared for sudden changes in weather and temperature fluctuations due to the high elevation of the area.