It offers some of the closest views in the South of North Korean villages, which can be seen on clear days from less than two kilometers.
[1] It is strategically located, controlling access to the river, which runs through former Joseon and South Korea's capital, Seoul.
[2] In 940, during the Goryeo period, it received its current name, which means "beautiful [town by the] river".
Over time, land reclamation projects for agricultural purposes have increased the island's size.
Also on the island are Jingangsan (진강산), Goryeosan, Nakjobong (낙조봉), Hyeolgusan (혈구산), and Byeollipsan (별립산).
[2] Ganghwa Nadeulgil is a 20-trail walking tour, illustrating the mudflat ecology and avian migratory habitats from prehistory to the Joseon dynasty.
Seongmodo is a level 10-mile (16 km) trail through a forest and the island's only beach, ending at a temple.
Manisan is Ganghwa's tallest mountain and home to Chamseongdan Altar, where Dangun Wanggeom reportedly performed ancestral rites.