《山海经·山经·中山经》
总计荆山山系之首尾，自翼望山起到凡山，四十八座山，三千七百三十二里。
凡荆山之首，自翼望之山至于几山，凡四十八山，三千七百三十二里。
There are totally 48 mountains in the Jing Mountain Range, which begins at Yiwang Mountain and ends at Fanshan Mountain, that is 3732 miles.