CELPA I (El Chamical) (Centro de Experimentación y Lanzamiento de Proyectiles Autopropulsados) was a rocket launch site in Argentina, near El Chamical at , in the La Rioja Province.
The launch site was in service between 1963 and 1973 and was mainly used for launching rockets of the types Centauro, Judi Dart, Orión, Rigel, Centaure and Boosted Dart.