Located in the periphery of 147-158 km of the Southern Cross-Island Highway, Siangyang National Forest Recreation Area ranges about 2300-2700 meters above sea level and covers an area of 362 hectares. This is the upper reach of Xiwulu Creek where is a mountainous recreation area. Beautiful scenery , typical cool-temperate climate with an average annual temperature of about 11.4 ℃ make here the best place for summer and ideal choice for hiking in southern Taiwan.

The peak of Southern Cross-Island Highway, Daguanshan Tunnel, is the best place to watch the sea of clouds, cloud waterfall and mountain mist. From here to Siangyang there are beautiful mountains with mostly Taiwan red pine and Taiwan hemlock living on the cliffs or steep slopes. Here one can also spot endless Central Moutain Range like Daguan Mt, Eagle Mouth Mt, Tower Mt, Guanshanlin. Marvelous cliff on the east side of Eagle Mt, magnificent Daguan Mt, and dangerous ravine of Siangyan Mt are the most beautiful section along the Southern Cross-Island Highway. Due to the high mountain the snow in the area and the Central Mountain Range is so picturesque.