Hallasan Hallasan Hallasan is a shield volcano on Jeju Island of South Korea. It is the highest mountain in South Korea. The area around the mountain is a designated national park, the Hallasan National Park ("Hallasan Gungnip Gongwon"/한라산국립공원/). Hallasan is commonly considered to be one of the three main mountains of South Korea, along with Jirisan and Seoraksan. Hallasan is the highest mountain in South Korea and is worshipped by people because they think that gods and spirits live on it. Alternate English names for the mountain include Hanla Mountain or Mount Halla and older English sources refer to the peak
Kaena Point with surfers of other North Shore locations. Kaena Point is located in a remote area with no direct paved road access and no rescue capabilities. Additionally, the point's geography results in undertows, dangerous rip currents and other hazardous ocean conditions that make any water activity highly dangerous. Ka'ena used to be an active shield volcano that formed about 15% of the island. It is also 5 million years old, making it the oldest volcano on Oahu. Ka'ena must have suffered a large collapse because of its large crater. When it became extinct, which was about 4.2 million years ago, it