Welcome to the 49th International Speleological Photography Competition
Mud Speleologist Award 2026.
The submission period for photographs has just opened for this competition, which has been awarding the best images of the underground world for almost 50 years. We invite all speleological photography enthusiasts to submit their best work. The selected works will be exhibited in Aranda de Duero during October and November 2026.

Thank you very much.