Hallasan National Park 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, the shield volcano Hallasan on Jeju Island. It was designated a UNESCO Biosphere Reserve in 2002, and a World Heritage Site in 2007. Hallasan National Park is managed by Jeju Special Self-Governing Province. It is the only out of 20 national parks that is not managed by the Korea National Park Service. Hallasan has 7 trails: Eorimok Trail (6.8 km), Yeongsil Trail (5.8 km), Seongpanak Trail
San Cristóbal Volcano San Cristóbal Volcano Volcán San Cristóbal is the highest volcano in Nicaragua at . Located near to the northwest corner of the country, it forms a backdrop to the city of Chichigalpa, Chinandega. It is also among the most active volcanos in Nicaragua. San Cristóbal is part of a 5-member volcanic complex that bears the same name. Chonco lies 4 km to the west, and Moyotepe 4 km to the north east. Joined to the volcano's eastern flank is Volcán Casitas, which buried a village with a catastrophic landslide in 1998. The scars from said landslide are still visible today.