Alex Roddie enjoys the best bit of the undulating South Downs Way

■ Distance: 10 miles/15.5km ■ Time: 5 hours ■ Grade: Challenging

■ Distance: 5¼ miles/8.5km ■ Time: 2½ hours ■ Grade: Moderate

■ Distance: 5½ miles/8.8km ■ Time: 3 hours ■ Grade: Moderate

We all know walking is good for us, but walking in good company is even better. So, with an unexpected weekend to myself, I am exploring the West Sussex countryside on a guided break with HF Holidays.

■ Distance: 7½ miles/12km ■ Time: 4 hours ■ Grade: Moderate