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,
Jocotitlán (volcano) activity in the region is. If it erupts, the volcano could pose a serious threat to Greater Toluca and even Greater Mexico City. The volcano can be easily climbed from the town of Jocotitlán. A winding 19 km country lane leads up to the microwave antenna located near the summit. Jocotitlán (volcano) Jocotitlán, also known as Xocotépetl (), is a volcano in the Jocotitlán and Atlacomulco municipalities, in the State of Mexico. At above sea level, its summit is the 12th highest peak of Mexico. Jocotitlán volcano lies in the northern part of the Toluca Valley. It is part of