《水经注·卷二十四》
《从征记》说：汶水发源于莱芜县，往西南流；又说，流入莱芜谷后，道路两边山峦连绵百余里。
《从征记》曰：汶水出县西南流。
"Account of the Campaign" states that: Wen Shui originates in Laiwu County and flows to the southwest. It also states that after flowing into Laiwu Valley, there are continuous mountains on both sides of the road for more than a hundred miles.