This project aims to transform the Grønmo area with large existing rubbish collection zones into a recreational park. At the same time, the current rubbish functions, material recycling, material composting and material sorting will be kept and be converted sustainable within the idea of the public park. The whole Grønmo area is around 42.5 hector. This transformation will reaffirm the qualities of river, forest, field site with the concept to infill new experiences into the area. There could be new activities, including recycling learning classroom, birds watching, hiking, campfire festival, bicycle group gathering, picnic, Christmas tree market etc. This transformation project includes new organisation system of material collection, 2nd hand flea market, new organisation system of material sorting, new organisation system of material composting, visitor centre and new system of contaminated water filtering. The task of the thesis is on the cross sections of architecture design, architectural infrastructure design and landscape design.