Hallasan National Park summit, there is a crater lake called “Baekrokdam.” Since the mountain has high altitude, there are a number of alpine plants and animals. 1800 kinds of plants, including 400 kinds of specimen plants and 50 kinds of special plants, are living in Hallasan. So the Jeju island is designated by Biosphere Reserve in 2002 and Hallasan National Park is one of the region of Jeju Bioshere. Hallasan National Park Hallasan National Park () is located in the province of Jeju-do, South Korea. It was designated as the 9th national park in 1970. It features the highest mountain in South Korea,
Kell (volcano) Kell (volcano) Kell () is a small extinct Holocene stratovolcano. It is located just north of the Zheltovsky volcano, within the Prizrak caldera on the southeast coast of the Kamchatka Peninsula in Russia. Because of its remote and inaccessible location, most information about the volcano comes from aerial surveys. The volcano was discovered during an aerial survey in 1946. The Prizrak caldera has a diameter of about 4 km. It is located on top of the site of an ancient stratovolcano whose base has a diameter of about 10 km. The slopes of the caldera feature a network of erosional