The Ganden Sumtsenling Monastery, also known as Sungtseling and Guihuasi (Tibetan: དགའ་ལྡན་སུམ་རྩེན་གླིང་, Wylie: dga' ldan sum rtsen gling, THL: ganden sumtsenling; Chinese: 松赞林寺, pinyin: Sōngzànlín Sì), is a Tibetan Buddhist monastery situated 5 kilometres (3.1 mi) from the city of Shangri-La at elevation 3,380 metres (11,090 ft) in Yunnan province, China. Built in 1679, the monastery is the largest Tibetan Buddhist monastery in Yunnan province and is sometimes referred to as the Little Potala Palace. Located in the capital of Dêqên Tibetan Autonomous Prefecture, it is also the most important monastery in southwest China.

It belongs to the Yellow Hat sect of Tibetan Buddhism of the Gelukpa order of the Dalai Lama. The Fifth Dalai Lama's Buddhist visionary zeal established the monastery in Zhongdian, in 1679. Its architecture is a fusion of the Tibetan and Han Chinese. It was extensively damaged in the Cultural Revolution and subsequently rebuilt in 1983; at its peak, the monastery contained accommodation for 2,000 monks; it currently accommodates in its rebuilt structures 700 monks in 200 associated houses.