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,
Hallasan isolated from the mainland for a long time and its species were able to become unique and different from mainland species. The elevation of the mountain causes various plant species to live there. The mountain became a habitat for plants that live in low elevation and plants that live in high elevation. 50 or more unique species live in Jeju Island, especially in high elevation area in Hallasan. Various animal species also live on the mountain. Because of the geography of the mountain, the same species evolved in different ways after thousands of years. Just like plant species, animal species