| Personal information | |
|---|---|
| Full name | Gonzalo Aja Barquín |
| Born | June 13, 1946 Spain |
| Team information | |
| Current team | Retired |
| Discipline | Road |
| Role | Rider |
| Rider type | Climber |
| Infobox last updated on July 16, 2008 |
|
Gonzalo Aja Barquín (Matienzo, Cantabria, 13 June 1946) was a Spanish professional road bicycle racer. In the 1974 Tour de France, Aja was the first cyclist on the Col du Tourmalet and the Mont Ventoux, and finished on the 5th place of the general classification.