Attend the regularly scheduled evening programs at the amphitheater Memorial Day through Labor Day. A seasonal naturalist provides programs concerning plants, animals, ecosystems and nature hikes. Check the park bulletin boards or contact the park naturalist for detailed information at 417-334-4704. Also, contact a park naturalist to arrange special group programs or to use any of the natural resource sites. Group programs should be scheduled at least three weeks in advance, although shorter notice may be possible depending on staffing and other scheduled programs.