La Jarrezienne VTT is a mountain-bike ride in Soucieu-en-Jarrest, a commune in the Rhône department west of Lyon. Riders gather at École des Chadrillons on Place Étienne Morillon. Sign-up is open in the morning from 07:30 to 10:00. The event is organized by Cyclo Club Jarrezien. The entry fee is 11 euros for the public, or 8 euros for club members.
The routes offer flexibility with significant elevation. The shortest option covers 13 km with 230 m of climbing. Longer routes are available at 25 km, 38 km, 51 km, and 56 km. The longest route includes 1,500 m of elevation gain, presenting a challenging off-road course suitable for various skill levels, from a short local loop to a demanding ride.