Wendu Grand Monastery is located in Ladai Village, Wendu Township, Xunhua County, Haidong City. Renowned nationwide for its stunning scenery, it is the largest Tibetan Buddhist monastery in Xunhua and a large-scale complex of traditional Tibetan architecture. Listed as a provincial cultural relic protection site and a patriotic education base, it integrates sightseeing, folk culture experience and religious pilgrimage.

Also known as Biandu Monastery or Bianduo Monastery, its Tibetan name means Wendu Grand Monastery of the Auspicious Dharma Wheel. It stands 17 kilometers southwest of the county seat of Xunhua Salar Autonomous County and 5 kilometers southwest of present-day Wendu Township, in a mountain hollow on the northern side of Ladai Village. It is 18 kilometers from the county seat and over 165 kilometers from Xining. Visitors can follow the scenic signs along the Xunhua-Tongren Highway and take a 1-kilometer tertiary dirt road to reach the site.

Built against the mountain and facing east, the monastery features a magnificent layout. Dense forests cover the south and peaks rise to the north, creating a serene and picturesque environment. It is an important monastery of the Gelug School of Tibetan Buddhism.

Wendu Tibetan Township is the hometown of the 10th Panchen Lama. This monastery was where the master received his early Buddhist education and the main venue for his religious activities during home visits.

Founded in 1272 by Rinchen, the second Imperial Preceptor of the Yuan Dynasty, upon the prophecy of Phagpa, the first Imperial Preceptor, Wendu Grand Monastery is also one of the earliest Sakya School monasteries in Qinghai.

Now it occupies an area of 150 mu, housing more than 300 monks, 10 living Buddhas, 12 halls, over 200 Buddha statues and more than 570 Thangka paintings. The main deity enshrined here is the unique Mahakala Protector of the Sakya School, whose worship has been passed down through the Sakya Khon Clan to this day.