The forest is believed to be hundreds years old and covers nearly 220 hectares of land.

The average height of black pines is 16 meters and the tallest ones are 25 meters high. The diameter of their middle part is between 55 and 110 centimeters and that of their crown between 8 and 11 meters.

They have no twig under the crown and are covered with dark brown bark.

Their leaf sprouts from May and falls in October next year and is 9-17 centimeters long and 1.5 millimeters wide.

Black pine-Maengsan grows quickly for 40-50 years and lives for 400-500 years.

In recent years, the Central Tree Nursery under the Ministry of Land and Environment Protection and other tree nurseries across the country have bred a large number of acclimatized seedlings as part of their efforts to turn the whole country into greenery and woodland.