The Shiretoko Five Lakes National Wetland Park is large in size, with large green sedges stretching to the sea, undulating hills behind, and elevated wooden planks that extend deep into the wetlands. The park is named after five natural lakes. From May to October each year, it is the season for Shiretoko Five Lakes Park to watch brown bears, attracting countless tourists. The Shiretoko peninsula extends into the Sea of Okhotsk, which is the lowest latitude of the sea. The annual winter and spring alternate seasons, the unique and magnificent natural landscape caused by the freshwater inflow from Heilongjiang. "World Natural Heritage List". The Shiretoko Peninsula has also become a self-help destination popular with Japanese nationals.