Samjiyon deer inhabits Samjiyon County of Ryanggang Province in the northern part of Korea. The deer is found in limited areas of the eastern part of Asia.
It is 90 to 160 centimetres long and 80 to 110 centimetres tall and weighs 90 to 130 kilograms. Male deer has antlers and 6 year-old adult has 4 antlers. Antlers change every year, old ones dropping in April and May and new ones growing in August. They are 70 to 80 centimetres long.
Female deer gives birth to 1 or 2 fawns towards May or June.
Now the number of deer rapidly decreases. So the deer has been registered as an animal under international protection.
The habitats of Samjiyon deer have thick pumiceous layers, gentle slopes and different rivers and streams. There are mixed forests of larch, Abies nephrolepis, white birch and other trees, under which blueberry, rhododendron and other shrubs and grasses are growing. The deer move in not large groups along the lower parts at the foot of mountains. In Korea Samjiyon deer has been designated as a living monument and special attention is paid to protecting its living environment and herds in the area.