country baekdudaegan
The Pacific Ocean is the largest of the Earth ' s oceanic divisions . It extends from the Arctic Ocean in the north to the Southern Ocean ( or , depending on definition , to ___MASK37___ ) in the south and is bounded by Asia and Australia in the west and the Americas in the east . The Baekdudaegan is a mountain range and watershed - crest - line which runs through most of the length of the Korean Peninsula , from Baekdu Mountain in the north to Jirisan in the south . It is important in traditional Korean thought , a key aspect of Pungsujiri philosophy and practices . It is often referred to as the `` spine '' of the Korean Peninsula , and depicted in various historic artworks . It incorporates the Sobaek mountain range and most of the Taebaek mountain range . Some people dream of walking along the entire trail along the crest of the range , which runs across the militarized border . The section in ___MASK90___ was designated as a national nature - preservation park in 2006 by the South Korean government . Hallasan is a shield volcano on Jeju Island of ___MASK90___ . Hallasan is the highest mountain in ___MASK90___ . The area around the mountain is a designated national park , the Hallasan National Park (" Hallasan Gungnip Gongwon "/  /). Hallasan is commonly considered to be one of the three main mountains of ___MASK90___ , with Jirisan and Seoraksan being the other two . The Korean Peninsula is a peninsula in ___MASK24___ . It extends southwards for about from continental Asia into the Pacific Ocean and is surrounded by the Sea of ___MASK4___ ( East Sea ) to the east , and the Yellow Sea ( West Sea ) to the west , the Korea Strait connecting the first two bodies of water . ___MASK4___ (" Nippon " or " Nihon " ; formally "" or " Nihon - koku ", means " State of ___MASK4___ ") is a sovereign island nation in Eastern Asia . Located in the Pacific Ocean , It is lying off the eastern coast of the Asia Mainland ( east of ___MASK53___ , Korea , Russia ) and stretching from the Sea of Okhotsk in the north to the East ___MASK53___ Sea and near Taiwan in the southwest . Jirisan is a mountain located in the southern region of ___MASK90___ . It is the second - tallest mountain in ___MASK90___ after Jeju Island ' s Hallasan , and the tallest mountain in mainland ___MASK90___ . After Jirisan , Seoraksan is the third tallest mountain in ___MASK90___ . The Sea of ___MASK4___ ( see below for other names ) is a marginal sea between the Japanese archipelago , Sakhalin , and the Asian mainland . The Japanese archipelago separates the sea from the Pacific Ocean . It is bordered by ___MASK4___ , ___MASK35___ , Russia and South Korea . Like the Mediterranean Sea , it has almost no tides due to its nearly complete enclosure from the Pacific Ocean . This isolation also reflects in the fauna species and in the water salinity , which is lower than in the ocean . The sea has no large islands , bays or capes . Its water balance is mostly determined by the inflow and outflow through the straits connecting it to the neighboring seas and Pacific Ocean . Few rivers discharge into the sea and their total contribution to the water exchange is within 1 %. ___MASK90___ , officially the Republic of Korea ( ROK ), is a sovereign state in East Asia , constituting the southern part of the Korean Peninsula . The Yellow Sea is the name given to the northern part of the East ___MASK53___ Sea , which is a marginal sea of the Pacific Ocean . It is located between mainland ___MASK53___ and the Korean Peninsula . Its name comes from the sand particles from Gobi Desert sand storms that turn the surface of the water golden yellow . Seoraksan is the highest mountain in the Taebaek mountain range in the Gangwon Province in eastern ___MASK90___ . It is located in a national park near the city of Sokcho . After the Hallasan volcano on Jeju Island and Jirisan in the south , Seoraksan is the third highest mountain in ___MASK90___ . The " Daechongbong Peak " (  ) of Seoraksan reaches 1 , 708 meters ( 5 , 603 feet ). The Taebaek mountain chain is often considered the backbone of the Korean peninsula . ___MASK24___ is the eastern subregion of the Asian continent , which can be defined in either geographical or ethno - cultural terms . Geographically and geopolitically , it includes ___MASK53___ , Hong Kong , and Macao ; ___MASK93___ and Taiwan ; North and South Korea ; and Japan ; it covers about , or about 28 % of the Asian continent , about twice the area of Europe . ___MASK9___ is a historical state in ___MASK24___ , since 1945 divided into two distinct sovereign states : ___MASK35___ ( officially the " Democratic People ' s Republic of ___MASK9___ ") and South ___MASK9___ ( officially the " Republic of ___MASK9___ "). Located on the Korean Peninsula , ___MASK9___ is bordered by China to the northwest and Russia to the northeast . It is separated from Japan to the east by the ___MASK9___ Strait and the East Sea . The ___MASK9___ Strait is a sea passage between ___MASK4___ and South ___MASK9___ , connecting the East ___MASK53___ Sea and the Sea of ___MASK4___ in the northwest Pacific Ocean . The strait is split by the Tsushima Island into the western channel and the Tsushima Strait ( eastern channel ).