Longwanqun National Forest Park is a nationally protected nature area in Huinan County

Huinan County

Huinan County is a county of southwestern Jilin province, Northeast China. It is under the administration of Tonghua City.-Administrative Divisions:Towns:...

, Jilin

Jilin

Jilin , is a province of the People's Republic of China located in the northeastern part of the country. Jilin borders North Korea and Russia to the east, Heilongjiang to the north, Liaoning to the south, and Inner Mongolia to the west...

, China. Geographically, it is part of the western Changbai Mountains

Changbai Mountains

The Changbai Mountain Range or Jangbaek Mountain Range are a mountain range on the border between China and North Korea...

. A notable feature of the park are a group of volcanic crater lakes: the Sanjiaolong Crater Lake (三角龙湾, Triangle Dragon Crater Lake), Dalong Crater Lake (大龙湾, Big Dragon Crater Lake), Erlong Crater Lake (Medium Dragon Crater Lake), Xiaolong Crater Lake (Small Dragon Crater Lake), Donglong Crater Lake (East Dragon Crater Lake), Nanlong Crater Lake (South Dragon Crater Lake), Hanlong Crater Lake (Dry Dragon Crater Lake).