Hole 1
Par 5 · 495 yd
Plays north-west. Dogleg right. 8 bunkers and water.
Green 37 yd deep, 35 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Golf course in Industry, California, USA
18 holes, par 72, about 6,985 yards (6,387 metres) along the hole lines. The par 3s are 5, 9, 13 and 15. The par 5s are 1, 8, 10 and 18. The longest hole is the 18th at 645 yd, the shortest the 9th at 119 yd. The map shows 138 bunkers. Water is in play on holes 1, 2, 3, 7, 8, 10, 15 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 · 495 yd
Plays north-west. Dogleg right. 8 bunkers and water.
Green 37 yd deep, 35 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 372 yd
Plays east. Dogleg left. 3 bunkers and water.
Green 24 yd deep, 42 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 353 yd
Plays west. Dogleg right. 7 bunkers and water.
Green 28 yd deep, 23 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 465 yd
Plays north-west. 5 bunkers.
Green 34 yd deep, 28 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 240 yd
Plays east. 1 bunker.
Green 46 yd deep, 19 yd wide. Falls 6% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 491 yd
Plays east. 3 bunkers.
Green 35 yd deep, 26 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 452 yd
Plays east. 6 bunkers and water.
Green 36 yd deep, 23 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 493 yd
Plays west. 10 bunkers and water.
Green 27 yd deep, 26 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 119 yd
Plays south-west. 4 bunkers.
Green 54 yd deep, 35 yd wide. Falls 6% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 556 yd
Plays south-west. Dogleg right. 5 bunkers and water.
Green 28 yd deep, 38 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 326 yd
Plays north-west. 8 bunkers.
Green 38 yd deep, 27 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 454 yd
Plays east. 5 bunkers.
Green 36 yd deep, 30 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 210 yd
Plays north-east. 6 bunkers.
Green 25 yd deep, 30 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 355 yd
Plays west. 4 bunkers.
Green 38 yd deep, 30 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 196 yd
Plays south-west. 5 bunkers and water.
Green 31 yd deep, 42 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 402 yd
Plays north-east. Dogleg right. 8 bunkers.
Green 28 yd deep, 37 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 360 yd
Plays south-west. 9 bunkers.
Green 40 yd deep, 23 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 645 yd
Plays east. 10 bunkers and water.
Green 46 yd deep, 28 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.