Jarnioux (French pronunciation: [ʒaʁnju]) is a former commune in the Rhône department in eastern France. On 1 January 2019, it was merged into the commune Porte des Pierres Dorées.

Jarnioux has several monuments :

• The manor of the Guard (private, rental of rooms for events).
• The castle of Jarnioux.
• The Sainte Catherine chapel.
• The viaduct of the old Beaujolais railway (Tacot).

• 
  Interior facade of the Manoir de La Garde.
• 
  Castle of Jarnioux.
• 
  Flag and stele linked to the Heiho Niten Ichi Ryu Memorial, and Sainte Catherine chapel.
• 
  The viaduc of the Tacot.

Auguste Guinon transformed Jarnioux from 1869. He equipped the village with a wash house, a town hall, a school and a church.

Serge Prisset, singer known for the song "Colombe ivre", released in 1970. He lives in Jarnioux.

• Communes of the Rhône department
• Porte des Pierres Dorées

• Official site Archived 2019-08-29 at the Wayback Machine