A circular walk of 11.9 miles, following the Hitchin Outer Orbital Path.
Features include the River Oughton, Oughtonhead Common, St Mary's Church in Hitchin, Charlton hamlet, the River Hiz, Ippollitts Brook, a secton of the Letchworth Garden City Greenway and the Icknield Way Trail.
Half the route is on hardstanding/pavement, half the route is on track (mainly grass track).
Elevation ranges from 50m to 97m, with a number of steep inclines (max ~ 11%).
Bring packed lunch, plenty of water and something to sit on. Wear sturdy boots or trainers. Expect some mud.