A circular walk of 12.2 miles, following the Hitchin Outer Orbital Path.

Features include:

• the River Oughton and  Oughton Head (Spring);
• Oughtonhead Common;
• St Mary's Church in Hitchin;
• Charlton hamlet;
• the River Hiz;
• Ippollitts Brook;
• Purwell Ninesprings nature reserve;
• views from the edge of Letchworth westbound to the Chiltern Hills'
• a few semi-posh houses (and a fair few unposh ones, too);
• an unexpected work of modern art;
• a railway;
• a section 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.

Optional pub stop at end. For those who want to end the day with a pub meal, the kitchen opens at 6pm.