Yanggu Eco-Botanical Garden
- Project for the study and preservation of the area's unique ecology, including the Dragon-swamp High Moor. Profiles four key mountain ecosystems in Yanggu.
- http://210.178.146.5/eng/cyber/ecology/ec_main.html

Yanggu County
- District government site offering information about local history and facilities. In Korean, Chinese, Japanese and English.
- http://www.yanggu.go.kr/