The Upper Swabian Baroque Route (Oberschwäbische Barockstraße) is a tourist theme route through Upper Swabia, following the themes of "nature, culture, baroque". The route has a length of about 500 km (approximately 310 miles). It was established in 1966, being one of the first theme routes in Germany. There is an extension to the route into Switzerland and Austria around Lake Constance. Its logo depicts a yellow putto on a green background, putti being typical of the Baroque Era.