Hole 1
Par 4 · 316 yd
Plays north-west. Dogleg left. 4 bunkers and water.
Green 38 yd deep, 17 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Golf course in Cairo, New York, USA
18 holes, par 72, about 5,654 yards (5,170 metres) along the hole lines. The par 3s are 4, 6, 14 and 16. The par 5s are 5, 10, 12 and 15. The longest hole is the 5th at 481 yd, the shortest the 16th at 86 yd. The map shows 25 bunkers. Water is in play on holes 1, 2, 3, 4, 7, 9, 10, 11, 12 and 18.
Every hole, numbered, as the app draws it.
Each hole turned so it plays up the page, from the tee at the bottom. Every green's slopes are mapped: flip a card to see its green.
Par 4 · 316 yd
Plays north-west. Dogleg left. 4 bunkers and water.
Green 38 yd deep, 17 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 260 yd
Plays south-east. 5 bunkers and water.
Green 34 yd deep, 19 yd wide. Falls 6% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 307 yd
Plays north-west. 2 bunkers and water.
Green 36 yd deep, 19 yd wide. Falls 7% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 157 yd
Plays north-west. 1 bunker and water.
Green 30 yd deep, 15 yd wide. Falls 9% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 481 yd
Plays south-east. Dogleg left. 2 bunkers.
Green 27 yd deep, 19 yd wide. Falls 7% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 143 yd
Plays west. 1 bunker.
Green 31 yd deep, 15 yd wide. Falls 11% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 317 yd
Plays north-west. Dogleg right. 1 bunker and water.
Green 30 yd deep, 17 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 312 yd
Plays north. Dogleg right. 1 bunker.
Green 32 yd deep, 15 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 418 yd
Plays south-east. Dogleg right. 1 bunker and water.
Green 36 yd deep, 23 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 458 yd
Plays north-west. Dogleg left. 4 bunkers and water.
Green 36 yd deep, 22 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 377 yd
Plays south. Dogleg left. 2 bunkers and water.
Green 34 yd deep, 19 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 452 yd
Plays north. Dogleg right. 2 bunkers and water.
Green 25 yd deep, 23 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 291 yd
Plays south-west. Dogleg left. 3 bunkers.
Green 27 yd deep, 17 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 153 yd
Plays north-west. 1 bunker.
Green 36 yd deep, 26 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 468 yd
Plays south-east. 2 bunkers.
Green 30 yd deep, 23 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 86 yd
Plays west.
Green 20 yd deep, 25 yd wide. Falls 7% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 332 yd
Plays east. 2 bunkers.
Green 30 yd deep, 21 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 325 yd
Plays north-east. Dogleg left. 4 bunkers and water.
Green 33 yd deep, 22 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Lengths are measured along each hole's line on OpenStreetMap, so they can differ from the club's card. A bunker between two holes counts on both.
The app
On your iPhone and Apple Watch, Number & Line turns this map into a yardage book, with distances to the front, middle and back of each green from where you stand. You can plan each hole at home and get club advice from your own distances and the day's wind.
The app is coming soon to the App Store, and this course is already built for it.

Course map © OpenStreetMap contributors, under the Open Database Licence. See it on OpenStreetMap, where anyone can correct it. Green slopes: USGS 3D Elevation Program 1 m DEM (public domain). Our maps are open data too. Number & Line isn't connected with the club.