Hallasan National Park (9.6 km), Seokgulam Trail (1.5 km), Gwaneumsa Trail (8.7 km), Donnaeko Trail (7 km), and Eoseungsaengak Trail (1.3 km). The longest trail is Seongpanak Trail which takes about 4.5 hours. Hallasan comprises 153.112 km of the Jeju Island. It rises 1.950 m above the sea level which means the highest mountain in South Korea. This mountain was formed in the fourth Cenozoic era by outburst of volcano. It is mostly composed of basalts. It is extending east and west, and it has high and gradual descent. On the other hand, the south part of the mountain is steep. In the
Wonchi (volcano) destination for residents of nearby cities including Addis Ababa. The tourist can hire horses to take down the mountain to the lake. It takes about one hour from the volcano rim to reach the lake side. Wonchi (volcano) Wonchi is a volcano located west of Addis Ababa, Ethiopia. At above sea level, it is the highest volcano in Ethiopia, from Mount Dendi, Ethiopia's second highest volcano. Wonchi is located at equal distance between the towns of Ambo and Woliso. The volcano has a wide caldera, and a single crater lake, Wonchi lake, about below the rim of the volcano. Study