Fundo La Union is located approximately 26 km from the city of La Union.

Wide diversity of flora and fauna, where the Hued hued, the Chucao, the Torcaza, the Carpintero Grande, the Choroy, and the Perdiz del sur. Mammals include pudú, guiña, southern puma, gray fox, southern coypu, and bobcat.

Near Rio Bueno where you can find trout, puye, carmetita, river silverside, and introduced trout such as rainbow brook trout.

Its native forests remain evergreen due to its temperate, warm and rainy west coast climate.