This is the article on the taijutsu used by Iwagakure-nin. For the ninjutsu used by Raiga Kurosuki, head to Rock Avalanche.
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Rock Avalanche Formation
Kanji 岩雪崩の陣
Rōmaji Iwa Nadare no Jin
English anime Avalanche Formation
Anime Naruto Shippūden Episode #190
Appears in Anime
Classification Taijutsu, Collaboration Techniques
Class Offensive
Range Short-range

Several shinobi enter a formation in which they are standing on one another's shoulders, and then proceed towards the enemy, walling the opponent so they can't escape.