Out of bounds — the penalty that hurts — and the local rule that saves you
A ball is out of bounds when all of it crosses the white-stake boundary. It costs stroke and distance — or a fairway drop under Local Rule E-5 when the course uses it.
What counts as out of bounds?
A ball is out of bounds when all of it comes to rest beyond the boundary — white stakes, a fence, or a line painted on the ground. One millimeter inside counts as in bounds.
Out-of-bounds is marked by white stakes or lines (penalty areas use red or yellow, so the color tells you immediately what you're dealing with). The boundary line itself is out of bounds, and a ball resting against a stake on the course side is still in bounds.
The penalty: stroke and distance
Under Rule 18.2, an out-of-bounds ball costs you stroke and distance: go back to where you played the shot, add one penalty stroke, and play again. That's why a sliced drive OB can turn a par 4 into a double bogey before you even hit your next shot.
Local Rule E-5 (casual play)
Many courses adopt Model Local Rule E-5 for pace of play: instead of going back, you can drop in the fairway at the nearest point within two club-lengths of the fairway edge, no nearer the hole, for a two-penalty-stroke total. Check the scorecard or local rules before your round — it's usually posted.
Play a provisional ball first
The smartest move in golf: if your ball might be OB or lost, play a provisional ball before you go looking (Rule 18.3). It's free to hit — if the original is found in bounds, abandon the provisional and keep playing; if not, the provisional becomes your ball in play.
Out of bounds vs penalty area vs lost
| Situation | Penalty | Relief |
|---|---|---|
| Ball out of bounds | Stroke and distance (+1) | Replay from previous spot, or Local Rule E-5 fairway drop (+2 total) |
| Ball in penalty area | +1 | Back-on-the-line or lateral (red stakes) |
| Ball lost (not OB) | Stroke and distance (+1) | Replay from previous spot, or E-5 if in effect |
Related rules
Out of bounds pairs with the 3-minute search rule and provisional balls. For the whole drop-and-penalty system on one card, grab the free cheat sheet or Save Strokes.
Get Save Strokes → Free cheat sheet