Golf Tutorials

What Does It Mean When You See Stakes or Lines on the Golf Course?

By Spencer Lanoue
July 24, 2025

Seeing colored stakes and painted lines dotting the golf course can be confusing if you’re not sure what they represent. These aren't just decorations, they are the official boundaries and designations that dictate the rules of play. Understanding them is the first step to thinking like a smarter golfer, helping you follow the rules correctly, avoid unnecessary penalty strokes, and keep your round moving smoothly.

Understanding the Language of the Course: Why Stakes and Lines Matter

Think of the stakes and lines on a golf course as the traffic signs of the game. They define the playing area, identify hazards, and tell you how to proceed when you hit a poor shot. Ignoring them or guessing their meaning often leads to arguments with your playing partners, an incorrect score, or signing for a score lower than you actually shot, which is a major no-no in golf etiquette.

The rules of golf might seem complicated, but they are designed to be fair and consistent. Learning what each color means equips you with the knowledge to handle almost any situation you encounter. It frees you up from uncertainty and allows you to make a confident decision, take your drop, and get back to the fun part: hitting the golf ball.

Let's walk through the most common colors you'll see so you're prepared for your next round.

White Stakes and Lines: Out of Bounds (O.B.)

If there’s one color you don’t want to see your ball land near, it’s white. White stakes or white painted lines define the "out of bounds" areas of the golf course.

What Does ‘Out of Bounds’ Mean?

Out of Bounds, commonly called O.B., marks ground from which play is prohibited. If your ball goes past these markers, it is no longer in play. Common O.B. areas include property lines, adjacent roads, or even other parts of the golf course that the designer wants to keep you out of. It’s important to know that for a ball to be considered out of bounds, the entire ball must lie beyond the course-side edge of the stakes or line. If any part of your ball is touching the line or is in-bounds of the stakes, it is still in-play!

Your Only Option: Stroke and Distance

Unlike other penalty situations, there is only one course of action when your ball goes out of bounds. The rule is called "stroke and distance."

  • Stroke: You add one penalty stroke to your score.
  • Distance: You must return to the spot where you hit your previous shot and play another ball.

For example, you're on the tee box playing your first shot of the hole. You hit a wicked slice, and the ball sails over the white stakes lining the right side of the fairway. That's a one-stroke penalty. You must tee it up again, and you'll now be hitting your third shot (1st shot + 1 penalty stroke = 2, so the next shot is your 3rd).

Practical Advice for Facing O.B.

Because the penalty for O.B. is so severe (forcing you to go all the way back), smart golfers use a provisional ball. If you hit a shot that might be out of bounds, you should announce to your playing partners, "I'm going to hit a provisional ball." Then, you can hit another shot from the same spot. If you find your first ball is in-bounds, you pick up your provisional ball and play the original. If your first ball is officially O.B. or lost, you can continue playing with the provisional ball (having already factored in the penalty stroke) without having to walk all the way back. It’s a huge time-saver.

Yellow Stakes and Lines: The Original Penalty Area

Yellow stakes or lines signify a "penalty area." You might know this by its older name, a "water hazard." The rules were updated to broaden this definition, but you'll most often see yellow markings around ponds, creeks, or ditches that cross directly in front of you on a hole.

You Have Options: Breaking Down Your Choices

When your ball finds its way into a yellow penalty area, you have more flexibility than with an O.B. shot. First, you add one penalty stroke to your score (unless you choose the first option below). Then, you decide how to proceed from three main choices:

  1. Play it as it lies. If your ball is sitting up nicely in the penalty area and you feel you can make a good swing, you can play it from where it is. There is no penalty stroke if you choose this option. A modern rule change allows you to ground your club and take practice swings (as long as you don't improve your lie) inside the penalty area, which wasn't previously allowed.
  2. Stroke and Distance relief. Exactly like the out of bounds rule, you can always choose to go back towhere you hit your previous shot, add one penalty stroke, and hit again. This is always an option, though often not the best one.
  3. Back-on-the-Line relief. This is the most common relief option for a yellow penalty area. You must:
    • Find the point where your ball last crossed into the penalty area.
    • Envision a straight line going from the flagstick, through that point where your ball went in, and extending straight backward.
    • You can drop your new ball anywhere on that line, as far back as you want.

Example: Your second shot on a par 4 is heading for the green, but it comes up short and splashes into a pond marked with yellow stakes. Playing it out of the water probably isn't an option. You could walk all the way back to take stroke-and-distance relief. Or, you can find the spot where it crossed the yellow line, walk straight back on an imaginary line from the pin, drop your ball, and hit your fourth shot (2nd shot + 1 penalty + new shot = 4).

Red Stakes and Lines: The More Generous Lateral Penalty Area

Red stakes and lines also mark a penalty area. The key difference is that they designate a lateral penalty area. Think of areas that run alongside the hole, like a lake bordering a fairway or dense woods that the course doesn't want you to spend all day looking for your ball in.

What's Different About Red?

Handling a ball in a red penalty area is very golfer-friendly. It grants you an extra relief option that is often far more beneficial than the choices for a yellow area. Because these hazards are to the side of the holeنية, the "back on the line" relief mentioned for yellow areas would often have you dropping the ball right back in the hazard, which isn't very helpful.

All the Yellow Options, Plus One More

When your ball goes into a red penalty area, you have all the same options as with a yellow one:

  • Play it as it lies (no penalty).
  • Take Stroke and Distance relief (one penalty stroke).
  • Take Back-on-the-Line relief (one penalty stroke).

And now, the real benefit of the red stakes:

Introducing Lateral Relief: Your Best Friend

This is the fourth option, exclusive to red penalty areas, and it is usually the best one. For a one-stroke penalty, you can:

  1. Find the spot where your ball last crossed the red line to enter the penalty area.
  2. From that spot, you can drop your ball within two club-lengths of that point.
  3. The spot you drop cannot be closer to the hole.

Example: You slice your tee shot on a par 5, and it bounces into a wooded area marked with red stakes. Going all the way back to the tee to hit your third shot feels punishing. Instead, you find where your ball crossed the red line. You add a stroke to your score, measure two club-lengths from that spot (without getting any closer to the hole), and drop your ball in the fairway or light rough. You've escaped the treacherous woods and are now hitting your third shot from a much more playable position.

Decoding Other Colors and Markings on the Course

While white, yellow, and red are the main "penalty" colors, you may see a few others that you should be aware of.

  • Blue or Green Stakes: These typically signify “Ground Under Repair,” or GUR. This is an Abnormal Course Condition, which could be an area of damaged turf, a freshly excavated area for sprinkler work, or even piles of grass clippings left by the maintenance crew. If your ball is in a GUR area (or if your stance is affected by it), you are entitled to free relief. You find the nearest point of complete relief (no closer to the hole) and drop your ball within one club-length of that spot.
  • White Circles or Painted Drop Zones: Sometimes, on holes where taking normal relief from a penalty area is impractical or even dangerous, a course will establish a specific "drop zone." This is most common on island greens. A painted circle or small sign will show you exactly where to drop您的ball after taking your one-stroke penalty.
  • Staked Trees: Young trees are often supported by stakes or wrapped in material to help them grow straight. Courses protect these trees by designating them as No Play Zones, frequently marked with a certain color stake or ribbon. If your ball is near one, relief is usually mandatory (you can't play it from there) and is almost always free. Check the local rules on the scorecard or in the clubhouse for specifics.

Final Thoughts

Now you have the knowledge to interpret the most common stakes and lines found on a golf course. This allows you to apply the rules fairly, make smarter decisions that can save you strokes, and ultimately gives you the confidence to navigate any situation the course throws at you.

Once you understand the rules, the next step is applying them strategically in the moment. When you're facing a tough decision near a penalty area on the course, you don't have to guess the best option. I can analyze your specific situation - even through a photo of your lie - and provide clear, strategic advice on how to proceed. Instead of just guessing which drop to take, Caddie AI can help you make the smartest choice to save strokes and avoid those big numbers on the scorecard.

Spencer has been playing golf since he was a kid and has spent a lifetime chasing improvement. With over a decade of experience building successful tech products, he combined his love for golf and startups to create Caddie AI - the world's best AI golf app. Giving everyone an expert level coach in your pocket, available 24/7. His mission is simple: make world-class golf advice accessible to everyone, anytime.

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