Arboretum Trompenburg is a very lovely park filled with well-designed walking paths, dating back to 1820. The six-hectare park houses a rich collection of trees, shrubs, perennials and bulbs. There are trees and shrubs from all over the world, as well as the national reference collection of the oak, beech, holly and rhododendron. Thousands of perennials, including the national collection of Hosta (750 different species), water plants, spring and summer bulbs and succulents.