Key Sustainability Features The marsh pond (1.7 ha) created by Metro Vancouver is one of the largest wildlife habitat areas in the Lower Mainland Trails for: Walking/hiking (9.5 km), horseback riding (7 km), cycling (7.5 km) Located in the heart of the Fraser Valley, Aldergrove Bowl is a beautiful and inviting habitat for plants and wildlife as well as a recreation destination for residents. What makes this area a model for sustainable practices is that it is a former gravel pit where biosolids have been used to supplement inadequate top soil to facilitate plant growth and habitat creation. "The Aldergrove Bowl", as it is known, was turned into a natural setting and functional park space with the cooperation of the former gravel pit operators. It is unlikely that it would be as lush as it is today without the use of biosolids. Their use is one of the most notable features of the reclamation project. READ MORE