The Short Answer for a Wirehaired Pointing Griffon
Yes. The Wirehaired Pointing Griffon was developed as the gundog for hunters on foot — a dog who finds upland birds in rough cover, points them, retrieves shot game, and then happily hunts ducks from cold water. Every part of that job description argues for a secure fence. He has the nose to detect game beyond your boundary, the athletic build to reach it, the stamina to keep going once he starts, and a coat and constitution that shrug off weather and terrain that would turn other dogs home. An unfenced Griffon is a dog whose workplace is wherever the birds are.
Range Is the Real Issue
Some breeds escape and stay nearby. A Griffon who gets out starts hunting, and hunting for this breed means covering ground methodically and widely, nose down, for as long as scent lasts. He is not running away and he is not lost in his own mind — he is working, which makes him cover distance steadily and makes casual calling useless, because a dog on point or trailing is functionally deaf to anything but the bird. The fence exists to interrupt that first step, because once a Griffon is a mile into his working pattern, finding him becomes a countryside search, not a neighborhood one.
Strength, Jumping, and Water
Build accordingly. A Griffon is a solid, muscular dog who can jump a low fence when motivated and lean real weight against a weak one. Choose genuine height, sturdy panels or mesh he cannot climb, and gates with latches his clever mouth cannot work. Secure the base where he might dig after a scent line, and think about water: if a pond, ditch, or stream lies beyond your fence, know that this breed treats water as part of the workplace, not a barrier, and will swim to reach the far bank where ducks feed. Fence the water side as if it were dry land, because to him it is.
A Job at Home Keeps Him Home
Griffons are devoted, eager, and famously cooperative — the breed's fans call them the supreme gundogs partly for that willingness — but willingness needs somewhere to go. Daily exercise must be real: long walks, swimming if you have access, retrieving work, scent games that mimic a hunt in miniature. Train recall against distractions in stages, proofing it around birdsong, feathers, and other dogs, while accepting that no recall justifies skipping the fence. A Griffon who hunted his garden games with you all morning spends the afternoon asleep at your boots, which is exactly where the breed wants to be.
If a Griffon Gets Out on a Hunt
Search like a hunter: work the cover he would work — field edges, creek lines, cattail ponds, shelter belts — and carry something that makes the sounds of his real job, like a whistle he is trained to turn toward. Spread word to farms and rural neighbors early, because he may surface near game habitat rather than houses. Getting that word moving fast is the point of KinsLe's Lost Pet Alert System: a free alert to nearby Circle of Love members means the farmer watching a bearded, wiry dog quarter his pasture knows exactly whose dog it is and how to reach you.