Mudeungsan was the last to be designated as a national park in 2013 and located in urban area can play important role in citizens’ leisure activities. In that respect, this study was carried out to examine the factors affecting visitors’ satisfaction and the main influence factor of visitors’ satisfaction from among these. The results showed that maintenance of trail (β=.362) affects visitors’ satisfaction most, followed by reasonable travel cost (β=.334), various local product (β=.184) and convenient transportation (β=.127).