The leisure park, known by locals only “Rheinaue”, is a 160-hectare applied as Park recreational area in Bonn . The principles of the park originated at the Federal Garden Show in 1979 south of Bonn Gronau , a then undeveloped and agricultural Auegebiets.
The Arboretum Park Härle (4.7 hectares) is a nonprofit arboretum located on the slopes of the Rhine Valley between Bonn and the Seven Mountains at Büchelstraße 40, Bonn, North Rhine-Westphalia, Germany. It is open twice a month during the warmer months; admission is free.