43°42′00″N 2°41′42″E / 43.7°N 2.695°E
The Arboretum de Calmels is a small arboretum located on the grounds of the 19th-century Château de Calmels in Lacaune, Tarn, Midi-Pyrénées, France. It contains regional trees such as Aesculus hippocastanum, Juglans regia, and Pinus strobus, as well as exotics including Larix leptolepis and Sequoiadendron.