Hole 1
Par 4 · 343 yd
Plays south-east. 6 bunkers.
Green 25 yd deep, 36 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Golf course in Baiting Hollow, New York, USA
18 holes, par 71, about 6,892 yards (6,302 metres) along the hole lines. The par 3s are 4, 8, 10, 12 and 17. The par 5s are 2, 7, 11 and 14. The longest hole is the 11th at 611 yd, the shortest the 17th at 160 yd. The map shows 202 bunkers. It shows no water in play.
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 · 343 yd
Plays south-east. 6 bunkers.
Green 25 yd deep, 36 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 565 yd
Plays south. 20 bunkers.
Green 46 yd deep, 27 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 499 yd
Plays south. 17 bunkers.
Green 37 yd deep, 23 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 226 yd
Plays north-east. 5 bunkers.
Green 49 yd deep, 31 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 330 yd
Plays north-west. 6 bunkers.
Green 37 yd deep, 27 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 422 yd
Plays south-east. Dogleg left. 9 bunkers.
Green 40 yd deep, 25 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 491 yd
Plays north-west. 5 bunkers.
Green 54 yd deep, 40 yd wide. Falls 6% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 172 yd
Plays north-west. 5 bunkers.
Green 36 yd deep, 22 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 398 yd
Plays north-west. Dogleg right. 19 bunkers.
Green 63 yd deep, 51 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 192 yd
Plays south. 20 bunkers.
Green 63 yd deep, 38 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 611 yd
Plays south. 14 bunkers.
Green 54 yd deep, 26 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 191 yd
Plays west. 3 bunkers.
Green 40 yd deep, 25 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 459 yd
Plays north. 12 bunkers.
Green 45 yd deep, 26 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 523 yd
Plays west. 11 bunkers.
Green 35 yd deep, 38 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 484 yd
Plays north-west. 7 bunkers.
Green 34 yd deep, 26 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 395 yd
Plays east. 6 bunkers.
Green 28 yd deep, 23 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 160 yd
Plays north-west. 11 bunkers.
Green 25 yd deep, 19 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 428 yd
Plays east. Dogleg left. 13 bunkers.
Green 34 yd deep, 30 yd wide. Falls 4% 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.