O’ Valley or Ouchterlony Valley is a Town Panchayat in the Gudalur Taluk of The Nilgiris district in the Tamil Nadu.
The name is a contraction of an older name after a James Ouchterlony, who established coffee plantations in the area.
This panchayat area is surrounded with beautiful mountains and the waterfalls from the mountains add to the visual treat. One can enjoy by seeing cardamom, clove, pepper, tea and coffee plantations on the way to O’ Valley.
The place being located between Mudumalai National Park and New Amarambalam Reserved Forest, is famous for its flora and fauna.
The place is surrounded by valleys, streams and water falls of which the sound is very soothing and is a mesmeric effect.