Barton Marina Circular: Water, Wildlife & Sustainable Design – 2.7 miles (2 hours) Discover how Barton Marina manages water naturally through sustainable drainage systems. Learn how eutrophication affects local ecosystems, explore habitats thriving around the marina, and see how careful water management shapes both landscape and leisure. • 4th June 2026 and 10am – £15 per person • Group size limited to 10 walkers • Toilets and café at start and end of the walk