Travelers are voting Waldstein as the best outdoor near Graz. There are 1 outdoor near Knittelfeld a city just 30 km from Graz and 14 outdoors near Mariazell which is 48 km distant. The most popular of these are Waldstein near Knittelfeld and Gruner See in Mariazell. You can find 388 Outdoor in the country of Austria and Wachau is our members favorite Outdoor in all of Austria. Want more? Check out our map of outdoors near Graz.