To get to Saffron Walden from Cambridge, take the A1301 through the villages of Great Shelford, Little Shelford, Whittlesford, and Duxford. At the roundabout, take the first exit onto the A505. Continue on this road for about 8 miles, then turn right onto the B184. Saffron Walden is about 6 miles down this road.
Alternatively, you can take the train from London Liverpool Street to Audley End station, which is about 4 miles from Saffron Walden. From there, you can take a taxi or bus.
If you're coming from London, you can take the M11 north to junction 10, then follow signs for Saffron Walden. Alternatively, you can take the train from London Liverpool Street to Audley End station.
If you're coming from Stansted Airport, you can take the A120 towards Braintree, then follow signs for Saffron Walden. Alternatively, you can take the train from Stansted Airport station to Audley End station.
If you're already in Essex, you can take the A120 towards Stansted Airport, then follow signs for Saffron Walden. Alternatively, you can take the train from Cambridge or Audley End station.