Explore details about location Welfenallee. Welfenallee is a location situated within the Bad Rothenfelde alongside other areas such as Osnabrücker Straße, Wiekstraße, Salinenstraße. Additionally, some smaller parts of Welfenallee include specific areas like Niedersachsenring, Quellenweg, Obersundernweg adding to the diversity of its landscape.