Table 7.
Hiking period indicated in the Yusangi

	Hiking scale(Duration)
	Cheongryangsan	Sobaeksan	Songnisan
1~2 days	-	-	-
3~7 days	7(46.67%)	14(93.3%)	3(33.3%)
8~14 days	6(40.0%)	1(6.67%)	-
14 days~	2(13.3%)	-	-
Unknown	-	-	6(66.67%)