The Rallye Route des Vieilles Pierres is a one-day cycling randonnée based in Montagny, France. Road and gravel routes depart from École des Landes on Route du Bâtard. CC Montagny organizes the event, and participants start in the morning on marked distances, not a single fixed course.
The road options cover 60 km, 85 km, and 110 km, with elevation gains from 950 m to 2,000 m D+. The gravel routes are 45 km, 65 km, and 80 km, with 600 m to 1,500 m D+. One past edition had 252 participants, 140 of whom were cyclists. They encountered cold rain and snow at higher elevations. Despite the weather, feedback highlighted good courses, aid stations, and reception, consistent with a local club event focused on challenging terrain and practical support.