In addition to camping, it also has a 33 lodging units, 20 lodge rooms and 4 suites, and 13 2-4 bedroom cabins.. right along the Current River.
It looks pretty bada$$
http://www.flickr.com/photos/mostateparks/sets/72157660160838976/with/28046667560/
http://echobluffmissouri.com/about/