Bunker
A bunker is a sand-filled depression on a golf course, designed to test a golfer’s ability to play from sand. Bunkers are one of the five defined areas of the course under the Rules of Golf.
What is a bunker in golf?
A bunker is a depression in the ground, filled with sand, that golfers must play from under a specific set of restrictions. The Rules of Golf, published by the USGA and R&A, define a bunker as “a specially prepared area of sand, which is often a hollow from which turf or soil was removed.”
Bunkers exist to add strategic difficulty to a hole. Course architects place them near fairways and greens to penalize inaccurate shots and force golfers to think carefully about club selection and aim. A ball is considered “in a bunker” when any part of it touches the sand inside the bunker’s edge. The lip, walls, and grass bordering the bunker are not part of the bunker itself.
The concept dates back to the earliest days of golf in Scotland. On the coastal links land where the game originated, sheep would burrow behind sand dunes for shelter from the wind, hollowing out natural pits over time. According to Scottish Golf History, the word “bunker” first appeared in the R&A rules in 1812, and its origins may trace to the 16th-century Scots word “bonkar,” meaning a chest or box. Those natural sandy hollows became deliberate parts of course design as the game spread beyond Scotland’s coastline.
Types of bunkers
Bunkers come in several forms, each placed to create a different kind of challenge. The table below outlines the main types.
| Type | Location | Purpose | Key trait | Rules status |
| Fairway | Along or within the fairway | Penalizes inaccurate tee shots or aggressive second shots on par 5s | Golfers can still hit long shots from shallow fairway bunkers | Standard bunker rules |
| Greenside | Around the putting green | Catches wayward approach shots | Demands precise short-game control | Standard bunker rules |
| Pot | Anywhere; common on links courses | Small, deep, round; makes escape difficult | Steep faces, often only room for one golfer | Standard bunker rules |
| Cross | Across the fairway, perpendicular to play | Forces golfers to carry the ball over it | Typically wide and narrow | Standard bunker rules |
| Waste | Edges of fairways or replacing rough | Large, natural sandy areas; generally unmaintained | No rakes provided; often very large | Not a bunker; general area |
Pot bunkers are a hallmark of Scottish links golf. The Old Course at St Andrews has 112 bunkers, each with its own name. Hell Bunker on the 14th hole is 25 yards wide and 10 feet deep. At the other extreme, the Straits Course at Whistling Straits in Wisconsin has 967 bunkers, according to Golf Digest, more than any other course in the world.
Waste bunkers are worth understanding separately. Because they are classified as part of the general area rather than as bunkers, golfers can ground their club, take practice swings in the sand, and remove loose impediments without penalty. Confusion between waste bunkers and standard bunkers led to one of golf’s most memorable rules incidents: Dustin Johnson received a two-stroke penalty at the 2010 PGA Championship after grounding his club in what he believed was a waste area on the 18th hole at Whistling Straits. A local rule had classified all sandy areas on the course as bunkers.
Bunker vs sand trap
Many golfers use these two terms as if they mean the same thing, and in casual conversation, nobody will correct you. But there is a distinction worth knowing.
“Bunker” is the official term. You will not find “sand trap” anywhere in the Rules of Golf, as neither the USGA nor the R&A has ever used it. The phrase caught on informally among golfers in the United States, and Golf Digest has called the bunker-versus-sand-trap debate one of the most disputed terminology questions in the sport.
For practical purposes, the two words describe the same thing. Say “sand trap” during a round, and everyone will know exactly what you mean, though “bunker” is the term to use in any rules discussion or formal setting.
Key bunker rules
Rule 12 of the Rules of Golf, published jointly by the USGA and R&A, governs how golfers must play when their ball lands in a bunker. The main restrictions are designed to preserve the challenge of playing from sand.
A golfer cannot ground their club in the sand before making a stroke. That means no resting the clubhead on the sand at address, no touching the sand during a practice swing, and no contact with the sand on the backswing. The penalty for breaking this rule is two strokes in stroke play or loss of hole in match play.
Since 2019, golfers have been allowed to remove loose impediments like leaves, stones, and twigs from a bunker without penalty. Before that rule change, even touching a leaf in a bunker could result in a penalty. Golfers can also set their clubs down in the bunker and rake sand to care for the course, as long as they are not testing the sand’s condition or improving their lie.
If a ball is unplayable in a bunker, relief options include dropping within the bunker or taking a penalty stroke to drop outside it on a line between the hole and where the ball lay.
PGA Tour players save par from greenside bunkers (known as a “sand save”) roughly 50% of the time. The tour leader in 2025 was Michael Kim at 71.54%, according to Golf Compendium. For amateur golfers, the rate drops significantly, and the average recreational player ends up in a greenside bunker two to three times per round.
Related Golf Terms
- Break — The curve or slope of the green that affects the path of a putt.
- Bogey — A score of one over par on a single hole.
- Bump and Run — A low-trajectory chip shot that rolls along the ground toward the hole.
- Birdie — A score of one under par on a single hole.
- Bogey golfer — A golfer who typically scores around one over par per hole.
Frequently Asked Questions
Can you touch the sand in a bunker before your shot?
You can touch the sand in certain ways, such as placing your clubs down or digging your feet in for stability. You cannot touch the sand directly in front of or behind the ball, during a practice swing, or to test its condition.
What happens if your ball is buried in a bunker?
You can declare the ball unplayable under Rule 19 and take relief with a penalty stroke. Options include dropping within the bunker or dropping outside on a line back from the hole.
Are grass bunkers the same as sand bunkers?
No. A grass bunker is a deep depression covered in grass, not sand. Under the Rules of Golf, grass bunkers are not treated as bunkers and carry no special restrictions.
Why are bunkers on links courses so deep?
Links bunkers, especially pot bunkers, evolved from natural wind-blown hollows and animal shelters on Scottish coastal land. Their steep faces and depth reflect those origins and are preserved as a traditional design challenge.
Sources
- USGA. “Bunkers.” usga.org. Accessed April 2026.
- R&A. “Rule 12: Bunkers.” randa.org. Accessed April 2026.
- Scottish Golf History. “Bunker and Water Hazard.” scottishgolfhistory.org. Accessed April 2026.
- Golf Compendium. “Yearly Sand Save Leaders on the PGA Tour.” golfcompendium.com. Accessed April 2026.
- Golf Digest. “Fighting Words: Breaking Down the 7 Most Disputed Terms in Golf.” golfdigest.com. Accessed April 2026.
- American Society of Golf Course Architects. “Bunkers.” asgca.org. Accessed April 2026.
- Golf Monthly. “What Is a Bunker in Golf?” golfmonthly.com. Accessed April 2026.
