Castres Mazamet Airport — Castres, France

Castres Mazamet Airport, known as DCM, serves the twin towns of Castres and Mazamet in the Tarn department of southern France's Occitanie region. Historically tied to the textile and leather industries that once defined this part of the Tarn valley, the area now relies more on diversified manufacturing and services, with DCM offering a practical air link to Paris for local business travelers rather than international tourists. Castres is also known for its rugby club, Castres Olympique, which draws visiting supporters through the airport during match seasons. DCM remains a modestly sized regional field, reflecting its role serving a compact, historically industrious corner of southwestern France rather than a major population center.