mostly hills and mountains separated by deep, narrow valleys; coastal plains wide in west, discontinuous in east
Elevation extremes:
lowest point: Sea of Japan 0 m
highest point: Paektu-san 2,744 m
Natural resources:
coal, lead, tungsten, zinc, graphite, magnesite, iron ore, copper, gold, pyrites, salt, fluorspar, hydropower
Land use:
arable land: 22.4%
permanent crops: 1.66%
other: 75.94% (2005)