The 3 F M ‘The tough one’ South Downs. 3 Iron Age forts: Cissbury Ring, Devil’s Dyke and Chanctonbury Ring. Total climb of 3,450 foot. Organised each year since 1977. Re-routed to ensure its survival by linking with Worthing Rotary Clubs who are currently raising funds for the Ferring Country Centre and other Rotary charities. […]