A few officers including Wei Yan recommended an alternate route , Zhuge Liang was determined to follow Jialing Valley .
Which emerges in the north where the Wei River widens considerably near the city of Chencang .
Although a few officers including Wei Yan recommended an alternate route , Zhuge Liang was determined to follow Jialing Valley , which emerges in the north where the Wei River widens considerably near the city of Chencang .