In spring, Mt.Bagua is the temporary abode of the Gray-faced Buzzard Hawk on its northward migration. Every March, the Administration organizes hawk-watching activities to allow visitors to spot the Crested Serpent Eagle, Formosan Crested Gosehawk Crested Gosehawk, and Chinese Sparrow Hawk, as well as the Gray-faced Buzzard Hawk.
Mt.Bagua has an abundance of ecological resources. Bird species commonly seen here include the Red Turtle Dove, Spot-necked Dove, Pacific Swallow, Chinese Bulbul, Black Drongo, Gray-cheeked Fulvetta, Red-headed Tree Babbler, Lesser Scimitar Babbler, Black-naped Blue Monarch, and Chinese White-eye. The Forestry Bureau operates the Ershuei Taiwan Rhesus Monkey Reserve here, and this is where you can get to know this interesting animal. The abundance of plants attracts as many as 25 species of butterfly belonging to 5 families. The most common of all these is the swallowtail butterfly. Amphibians living in the area include the brown tree frog, Guentheris frog, and Taiwan beauty snake, all of which are endemic species.
Flora
Acacia
Wood-oil Tree
The area also boasts plants of 77 families, 167 types, and 199 species, including the Lauraceae Machilus, Orange Paulownia, acacia, wild paulownia, camphor tree, bamboo, and tree fern.
Lauraceae Machilus
Geography
The scenic County Road No. 139
This scenic area is known for its beautiful views and gentle rolling hills. While traveling along County Road No. 139 on the crest of Mt.Bagua , visitors can gaze into the distance at such magnificent sights as the Hengshan Cliffs, Lungzaitoushan and special features of the landscape and plateau in between.
Hengshan Cliffs
Longmenkou
Climate
In the summer, high temperatures, humidity, massive rainfall, and tropical cyclones characterize the climate of the Mt. Lion’s Head. The hottest month is July and August with the average temperature of 27.9 ℃.
January and February are the coolest month of the year, with average temperature of 15.45 ℃. The intensity of the rainfall is very high during the period of March to September. The region is very dry in the winter months from October to February.
Tri-Mountain National Scenic Area Administration All rights reserved Now Time：2008/11/22 20:12(UTC/GMT+8hours)
Fauna
In the summer, high temperatures, humidity, massive rainfall, and tropical cyclones characterize the climate of the Mt. Lion’s Head. The hottest month is July and August with the average temperature of 27.9 ℃. 
