Plum Porter Porter · Black Stirnebräu Engelberg · Obwalden Alcohol level6.1 % Discover the brewery Characteristics Style Porter Color Black Alcohol level 6.1 % Region Obwalden Beers from this brewery View all American Pale Ale Stirnebräu Pale Ale - American Australian Pale Ale Stirnebräu Pale Ale - Australian Gletscherbier Stirnebräu Lager - Pale