Because the mountainous location is totally on the japanese Portion of the peninsula, the primary rivers tend to move westwards. Two exceptions tend to be the southward-flowing Nakdong River and Seomjin River.
Nevertheless the Sui army was lured right into a trap by the famed Koguryŏ commander Ŭlchi Mundŏk, and endured a calamitous defeat on the Salsu (Ch'ŏngch'ŏn) River. It is alleged that only two,700 with the 300,000 Sui troopers who had crossed the Yalu survived to find their way 파라곤 솔루션 again, as well as the Sui emperor now lifted the siege of Liao-tung Fortress and withdrew his forces to China proper. Yang Ti ongoing to send his armies in opposition to Koguryŏ but again devoid of good results, and before prolonged his war-weakened empire crumbled." ^