The rampe de Laffrey is a section of France's Route nationale 85, itself part of the route Napoléon. It connects the communes of Laffrey and Vizille in the department of Isère, about 15 kilometers southeast of Grenoble.

The 1984 Tour de France was the 71st edition of the Tour de France, run over 4,021 km (2,499 mi) in 23 stages and a prologue, from 29 June to 22 July. The race was dominated by the Renault team, who won the team classification and ten stages: Renault's French rider Laurent Fignon won his second consecutive Tour, beating former teammate Bernard Hinault by over 10 minutes.