The obstacle was incredibly the same as the Sosoritatsu Kabe, in which Ninja Warrior also called as the Hill Climb, and was used during the first four SASUKE tournaments, where the obstacle consisted of a hill on a 50° incline, 5 meters in length (45° incline and 4 metres in length in KUNOICHI 3). Competitors had to simply reach the top, making this obstacle as a time waster. It eliminated no competitor, thus it was replaced with the Sarentobi in KUNOICHI 4, but returned in KUNOICHI 5.
KUNOICHI 4 Version
The Chou Touhan was also used in KUNOICHI 4 in the First Stage as well. However, a different version was used. It consisted of double-sloped hill, in which the second half of the hill was steeper, and had two ropes attached to it. This obstacle was proven to be a time waster, as no one timed out there. Since the Chou Touhan was already being used in the First Stage, in order to avoid confusion between both versions, the Sarentobi took its place.
During the broadcast of Women of Ninja Warrior, the obstacle was named as the Vertical Limit (not to be confused with the Vertical Limit, an obstacle that appeared in the Third Stage from SASUKE 28 onward).
Competitors' Success Rate