The Mountain Feist stand about 35 to 45 cm (14 to 18 inches) high. They have a variety of colors but are mainly a light brown, black, and white. They have long pointy ears that stand upwards and button ears that fold over. They have paws suited for climbing because of their strong hind legs and sharp curved nails.

Mountain Feists are curious, intelligent, alert and physically active dogs which are suited for hunting and as companion dogs. Feist are very vocal dogs, communicating with growls, bays and barks.They are very protective around the people they know best. Mainly used as a squirrel dog, the Mountain Feist is also good at hunting raccoons and tracking larger game.