Tsurphu Monastery
In 1321, Dölpopa visited Jonang Monastery at Jomonang (which was later destroyed during the Cultural Revolution) for the first time. He then visited Tsurphu Monastery for the first time and had extensive discussions with Rangjung Dorje, 3rd Karmapa Lama, about doctrinal issues. It appears that the Karmapa Lama almost certainly influenced the development of some of Dölpopa's theories, possibly including shentong. Other than this, Dölpopa had studied almost completely under the Sakya tradition until he was thirty years old in 1322 and he had taught for most of the previous decade at the great Sakya Monastery.