Chinese authorities forbid family and friends from holding a public reception welcoming his return.
His detention follows the roundup earlier this month of seven monks from the same monastery.
Authorities warn area residents against taking photos or filming videos of the monk's return to his home.
He had confronted Chinese officials over 'patriotic education' classes conducted at his monastery.
He was 'repeatedly tortured' and suffered ill health while in custody, sources say.
But a Tibetan monk is detained without explanation in neighboring Gansu
The monks are being held incommunicado, according to a source in exile.
Police detained him after he shouted slogans calling for “Freedom for Tibet.”
They reject Chinese government offers of assistance, throwing gifts of shoes onto the ground.
The young Kardze man had been traveling by motorbike to a prayer ritual.
They dedicate their action to the long life of exiled spiritual leader the Dalai Lama.
He had called out for Tibetan freedom and the return of the Dalai Lama.
Resident of Ngaba county in Sichuan becomes 137th Tibetan to stage self-immolation protest
They carry photos of exiled leaders and call for unity among Tibetans.
Exiled spiritual leader the Dalai Lama has long urged Tibetans to protect wildlife and give up the wearing of furs.
Authorities urge vigilance as crowds gather for religious observances ahead of the anniversary of a failed revolt.
Armed police monitor crowds during Lunar New Year celebrations and ahead of a politically sensitive anniversary.