Hole 1
Par 5 · 541 yd
Plays north. Dogleg left. 10 bunkers and water.
Green 31 yd deep, 23 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Golf course in Eastchester, New York, USA
18 holes, par 72, about 6,609 yards (6,043 metres) along the hole lines. The par 3s are 4, 7, 11, 13 and 16. The par 5s are 1, 6, 9, 10 and 12. The longest hole is the 1st at 541 yd, the shortest the 4th at 137 yd. The map shows 98 bunkers. Water is in play on holes 1, 7, 10 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 5 · 541 yd
Plays north. Dogleg left. 10 bunkers and water.
Green 31 yd deep, 23 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 393 yd
Plays north-east. 7 bunkers.
Green 36 yd deep, 28 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 459 yd
Plays north-east. Dogleg right. 6 bunkers.
Green 31 yd deep, 26 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 137 yd
Plays west. 5 bunkers.
Green 32 yd deep, 27 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 395 yd
Plays east. Dogleg right. 5 bunkers.
Green 22 yd deep, 28 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 521 yd
Plays west. Dogleg left. 7 bunkers.
Green 32 yd deep, 28 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 159 yd
Plays south-east. 6 bunkers and water.
Green 25 yd deep, 32 yd wide. Falls 6% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 423 yd
Plays south-west. Dogleg left. 7 bunkers.
Green 34 yd deep, 22 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 494 yd
Plays south-west. Dogleg right. 6 bunkers.
Green 31 yd deep, 19 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 516 yd
Plays north-east. 4 bunkers and water.
Green 38 yd deep, 23 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 155 yd
Plays south-west. 5 bunkers.
Green 28 yd deep, 19 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 486 yd
Plays north-east. 6 bunkers.
Green 37 yd deep, 26 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 205 yd
Plays east. 3 bunkers.
Green 30 yd deep, 22 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 400 yd
Plays south-west. Dogleg right. 8 bunkers.
Green 33 yd deep, 21 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 326 yd
Plays north. Dogleg left. 8 bunkers.
Green 31 yd deep, 17 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 226 yd
Plays west. 4 bunkers.
Green 34 yd deep, 25 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 349 yd
Plays south. 7 bunkers.
Green 28 yd deep, 22 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 422 yd
Plays south-west. 4 bunkers and water.
Green 28 yd deep, 26 yd wide. Falls 5% 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.