Siheung Gaetgol Eco Park (시흥 갯골생태공원)

Siheung Gaetgol Eco Park in Gyeonggi-do features the nation's only inland beach along the shores of a river that ebbs and flows with the ocean tide. The park offers the chance to learn about the traditional salt-making techniques, as well as the many unique flora that grow here. The park was designated as a National Ocean Wetland Protection Zone in February 2012.