Each year, some 30,000 pilgrims from Tachia accompany their goddess Matsu on a pilgrimage to Peikang to reaffirm her ties with the mother temple there and to demonstrate the deep faith the people of Tachia have in her.
他們認為，唯有這樣才能表示他們對媽祖的誠心；也唯有這樣，他們許的心願才能一步一步地落實下來。大甲媽祖在鎮瀾宮「起駕」時，有萬餘信徒跟著她。沿途行經的鄉鎮，不斷有人加入。於是進香的行列愈來愈長，終而匯成一條五、六萬人的進香大河。