Hole 1
Par 4 · 449 yd
Plays east. Dogleg right. 3 bunkers.
Green 40 yd deep, 33 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Golf course in Irvine, California, USA
18 holes, par 71, about 6,972 yards (6,375 metres) along the hole lines. The par 3s are 2, 4, 8, 14 and 17. The par 5s are 3, 7, 11 and 18. The longest hole is the 11th at 589 yd, the shortest the 17th at 174 yd. The map shows 89 bunkers. Water is in play on holes 10 and 11.
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 · 449 yd
Plays east. Dogleg right. 3 bunkers.
Green 40 yd deep, 33 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 175 yd
Plays south-east. 3 bunkers.
Green 44 yd deep, 23 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 546 yd
Plays east. Dogleg left. 9 bunkers.
Green 36 yd deep, 26 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 234 yd
Plays south-east. 2 bunkers.
Green 39 yd deep, 28 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 354 yd
Plays north-west. Dogleg left. 7 bunkers.
Green 39 yd deep, 40 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 468 yd
Plays west. Dogleg left. 4 bunkers.
Green 33 yd deep, 32 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 540 yd
Plays west. Dogleg right. 6 bunkers.
Green 43 yd deep, 25 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 190 yd
Plays south-east. 3 bunkers.
Green 39 yd deep, 25 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 479 yd
Plays west. Dogleg left. 5 bunkers.
Green 36 yd deep, 30 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 442 yd
Plays south-east. 3 bunkers and water.
Green 37 yd deep, 34 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 589 yd
Plays south-east. Dogleg right. 8 bunkers and water.
Green 37 yd deep, 40 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 389 yd
Plays north-west. 3 bunkers.
Green 30 yd deep, 32 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 378 yd
Plays south. 6 bunkers.
Green 33 yd deep, 23 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 214 yd
Plays north. 3 bunkers.
Green 33 yd deep, 32 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 458 yd
Plays north-west. 4 bunkers.
Green 34 yd deep, 31 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 349 yd
Plays south-east. 5 bunkers.
Green 45 yd deep, 23 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 174 yd
Plays south. 4 bunkers.
Green 57 yd deep, 23 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 540 yd
Plays north-west. Dogleg left. 8 bunkers.
Green 37 yd deep, 32 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.