The Ouachita Mountain region includes rugged mountain trails, awe-inspiring vistas, sparkling lakes, real diamonds and camping. From Bathhouse Row to the gangster era, discover the rich history of Hot Springs. Outdoor adventure is around every corner. Hot Springs National Park offers luxury hotels, rugged mountaintop scenery, nature trails and famous thermal baths. Take a dip in the soothing waters. Five crystal clear lakes, known as the "Diamond Lakes," attract tourists who love water and beautiful scenery. The largest, Lake Ouachita, offers a wilderness experience combined with the amenities of full-service resorts. Crater of Diamonds State Park is the world's only diamond-producing site open to the public. This is an unusual crater where you can search for real diamonds and keep any you find.