Shimenggu (Stone Dream Valley) ( 中文版: 石夢谷和情人瀑布) is a unique stone formation in Chiayi,Alishan Township (嘉義縣阿里山鄉). Lover's Gorge Waterfall (情人瀑布) is a large waterfall, with a cave behind it, downstream from Stone Dream Valley (石夢谷). The trail-head and parking area are very nice places to camp.
The Shimenggu-Lover's Gorge Waterfall loop is 8.5km long from the parking area and takes about 6 hours. The hardest part is the first 2km to the hostel (Closed as of 3/2016), of which more than 1km is steps. There is water and bathrooms at the hostel.
1.5km passed the hostel is Lover's Gorge Waterfall (情人瀑布). It's very tall, with a large cave behind it.
The remaining 2km of the loop will take you over the top of the waterfall, and across Stone Dream Valley. If you're interested in a short river trace, you can hike up Lover's gorge to the waterfall at the end. (Which I have not done yet)
Shimenggu is at the very top at 1730 meters above sea level, nearly 800 more than the parking area.
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Shimenggu and Lover's Gorge Waterfall
Chiayi County, Alishan Township
石夢谷和情人瀑布
嘉義縣阿里山鄉
GPS:
Parking: 23.57523, 120.77035
Lover's Gorge Waterfall: 23.55866, 120.77902
Shimeng Valley: 23.55566, 120.77796
Detailed Map: https://goo.gl/ccDXnb