Britannica Sources used in this answer

Why was the gap between the Funiu and Tongbai mountains important for travel in Chinese history?

Created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.

Map of eastern Asia highlighting the province of Henan in central China in orange, with its capital Zhengzhou labeled. Surrounding countries and major international boundaries are shown, along with a small inset map locating Henan within all of China. — Henan Henan province, China.

The gap between the Funiu and Tongbai mountains is a 75- to 100-mile-wide passage carved by the Tang and Bai rivers, which are tributaries of the Han River.

This geographic feature was historically significant because it provided easy access from the Henan Plain to the central basin of the Yangtze River. Consequently, this route became a vital corridor for travel and communication, and it was extensively utilized from the Han dynasty onward to facilitate Chinese expansion into the south.1