Northchurch Common is one of the many Ashridge Commons, and out of all of them, it has the most open grassland for your dog to run around. You still have woods around the edge, and Northchurch Common merges with the main Ashridge Estate and Berkhamsted Common.

Car parking is at a number of spots along the road or you can walk from Berkhamsted, although you have a hill to get out of the valley.