Where can I find Umbrellas in Hürtgenwald?

Umbrellas can also be found in these cities:

Aachen Alsdorf Düren Eschweiler Herzogenrath Kreuzau Langerwehe Mechernich Monschau Nideggen Niederzier Nörvenich Stolberg Vettweiß Zülpich

You can also find this in Hürtgenwald:

Desserts Dessert Baking Mixes Cake Glaze Peanut Butter Ice Cream Rice Dishes Vegetable Juices Instant Iced Coffee Cheese Roll Canned Fish