St Clair Golf Course
Otago · 20 greens mapped
Read these greens →
The greens here
20 greens at St Clair have been mapped from the national LiDAR survey — 10,535 m² of putting surface altogether, with a median green of 514 m². The national median is 397 m², so these run 29% larger than average.
- Steepest green: hole 7, averaging 4.3% and falling east.
- Flattest green: hole 6, at 1.3%.
- Most internal fall: hole 7, 1.47 m between its low and high point.
- Largest green: hole 6, 702 m².
Every green
| Green | Size | Fall | Avg grade | Runs off to the |
|---|---|---|---|---|
| Hole 1 | 678 m² | 0.93 m | 2.5% | east |
| Hole 2 | 391 m² | 1.05 m | 3.2% | south |
| Hole 3 | 635 m² | 1.12 m | 3.0% | north-east |
| Hole 4 | 486 m² | 1.47 m | 4.1% | north-east |
| Hole 5 | 546 m² | 1.08 m | 3.9% | north |
| Hole 6 | 702 m² | 0.94 m | 1.3% | north |
| Hole 7 | 513 m² | 1.47 m | 4.3% | east |
| Hole 8 | 498 m² | 0.62 m | 1.5% | north-east |
| Hole 9 | 457 m² | 1.18 m | 3.9% | south |
| Hole 10 | 541 m² | 1.07 m | 3.2% | north-east |
| Hole 11 | 560 m² | 0.81 m | 2.2% | south |
| Hole 12 | 521 m² | 0.73 m | 1.9% | north |
| Hole 13 | 480 m² | 0.90 m | 2.9% | west |
| Hole 14 | 618 m² | 0.69 m | 2.4% | south-east |
| Hole 15 | 402 m² | 1.19 m | 3.5% | south-west |
| Hole 16 | 515 m² | 1.09 m | 2.5% | south |
| Hole 17 | 473 m² | 0.59 m | 1.7% | south-west |
| Hole 18 | 524 m² | 1.21 m | 3.2% | south |
| Green A | 501 m² | 0.49 m | 1.8% | north-west |
| Green B | 494 m² | 0.75 m | 2.9% | north |
“Fall” is the height difference between the lowest and highest point of the putting surface. “Avg grade” is the best-fit plane across it — a green can average 2% and still have a shelf on it, which is what the app shows and a table cannot.
Where these numbers come from
Heights come from Land Information New Zealand’s 1 m LiDAR elevation survey (Coastal Catchments, 2021), published openly under CC BY 4.0. Green outlines and hole numbers come from OpenStreetMap under the Open Database Licence. Slope uncertainty on this course works out at ±0.15%.
Slope is measured. Break is modelled — the read in the app is a physics simulation of a ball rolling over the measured surface, and it knows nothing about grain or moisture. The survey predates any green rebuilt since 2021. More about how this is made.