Heoninneung Royal Tombs Ecological Preservation Area (Alder Tree Forests) (헌인릉 생태경관보전지역(오리나무림))
Nature · 34, Heonilleung-gil, Seocho-gu, Seoul
Heonninneung Royal Tombs Ecological Preservation Area is home to alder tree forests. It was officially designated as an ecological preservation area by the Seoul Metropolitan Government in 2005.