Nature Expounder is a person with accurate understanding, grounding and knowledge. Nature Expounder is a guide to outdoor experience activity to help them with experience activity and studying.

Suncheon-si opens programs about swamp, forest, cultural remains and natural experience activities annually to raise nature expounder.

Raised nature expounders guide Suncheon to visitors and opens nature school to elementary and middle school students to introduce and preserve natural environment of Suncheon.