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
Pichincha Volcano Guagua Pichincha and looked down into the crater of the volcano, which had last erupted in 1660. La Condamine compared what he saw to the underworld. On May 24, 1822, General Sucre's southern campaign in the Spanish-American war of independence came to a climax when his forces defeated the Spanish colonial army on the southeast slopes of this volcano. The engagement, known as the Battle of Pichincha, secured the independence of the territories of present-day Ecuador. Pichincha Volcano Pichincha is an active stratovolcano in the country of Ecuador, whose capital Quito wraps around its eastern slopes. The two highest peaks