At the foot of the mountain namely Doc, a small temple hide modestly in cliff. It is Ba De temple, a famous one for sacredness.
Legend told that Trinh Giang Lord while was in his royal trip around
the region, saw a beautiful girl cutting grass on the hill. The Lord
raped the village girl of Chai village. When she was pregnant, the Lord
had gone to his palace. Under the village rules, the ill-fated girl had
to have her hair cut and applied lime, carried stone and sank down into
the sea. She was the victim of an injustice which was gone through the
sky and her miraculous spirited on the sea waves to help the village
got out of dangers. Do Son people set up a temple to worship her at the
foot of Doc mountain called Ba De temple. Ba De Legend was recorded in
the first book- La Legende de Ba De by a French Orientalist - Panh
Mumier, published by Ha Noi IDEO print house in 1930. After that it
modulated to a silent film and showed the same of time with the film
'Field of Ghost' in which Nguyen Tuan played the main character.