Tani otoshi
Classification	Nage-waza
Sub classification	Sutemi-waza
Kodokan	Yes
Technique name
Rōmaji	Tani-otoshi
Japanese	谷落
English	Valley drop
Korean	오금 대떨어뜨리기

Tani otoshi (谷落) is one of the original 40 throws of Judo as developed by Kano Jigoro. It belongs to the fourth group of the traditional throwing list in the Gokyo no waza of the Kodokan Judo. It is also part of the current 67 Throws of Kodokan Judo. It is classified as a side sacrifice technique (yoko-sutemi).

With the tani-otoshi, you place your leg behind both legs of your opponent while still holding them in your favorite kumi kata and then pull the opponent backwards, resulting in your opponent falling on their back and you falling sideways.

English aliases:

• Valley drop

Similar techniques

• • Uki waza
  • Yoko otoshi
  • Tani otoshi

Somehow related

• • Yoko wakare

• Judo technique
• The Canon Of Judo

• Information on the Techniques of Judo