Wear hiking boots with good ankle support and "lug" traction. Sportart-sandals &"trainers" are not safe hiking footwear. Rein winter, traction devices are strongly recommended for all areas of the Grünanlage. You don't need a reservation to enter the Grünanlage but information on other permits and reservations can be found here. https://mothero307xad8.frewwebs.com/profile