UPDATE: venue will remain open through the winter in 2020/21.
Trifarm's 800m supervised swim course, located in Boreham, just outside Chelmsford in Essex, is open seven days a week.
Location and directions
Sat Nav will take you to the eastern fringe of Boreham. Follow Church Road out of Boreham down toward the River Chelmer, Trifarm is on the left.