Hotels In 77723 Gengenbach. This is a very nice hotel right on the square in old town gengenbach. Schwarzwaldhotel (4*) in der börsiglache 4, 77723 gengenbach. Urlaub im Weinhotel Pfeffer & Salz in Gengenbach, Baden. from www.winery-vacation.com In der börsiglache 4 77723 gengenbach. It is a world of its own, our stylish spa, built in