Nanjen Mountain Conservation Area contains hills, lakes, marshes and the coastline. Within its 500 hectares can be found a third of Taiwan's entire range of plant species, and many examples of Taiwan's other living organisms, including the Formosan rock monkey, the japalura lizard, the jambo dragonfly, and the pancala snail, making it a real-life natural history museum.
南仁山保護區內有丘陵、湖泊、沼澤及海岸線，五百公頃的面積中，囊括了全台植物種類的三分之一，還有台灣獼猴、攀木蜥蜴、無霸鉤蜓、班卡拉蝸牛等生物穿梭其間，被譽為「大自然博物館」。