Hole 1
Par 5 · 490 yd
Plays north-west. 3 bunkers.
Green 22 yd deep, 28 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Golf course in Downey, California, USA
18 holes, par 71, about 5,785 yards (5,290 metres) along the hole lines. The par 3s are 3, 7, 12 and 17. The par 5s are 1, 8 and 15. The longest hole is the 8th at 511 yd, the shortest the 12th at 104 yd. The map shows 38 bunkers. Water is in play on holes 13, 14, 16, 17 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 · 490 yd
Plays north-west. 3 bunkers.
Green 22 yd deep, 28 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 383 yd
Plays north-east. Dogleg left. 3 bunkers.
Green 27 yd deep, 26 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 141 yd
Plays south-east. 2 bunkers.
Green 27 yd deep, 22 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 370 yd
Plays south-west. Dogleg left. 2 bunkers.
Green 27 yd deep, 22 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 370 yd
Plays north-east. 4 bunkers.
Green 31 yd deep, 23 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 354 yd
Plays south-west. Dogleg right. 5 bunkers.
Green 27 yd deep, 26 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 132 yd
Plays east. 2 bunkers.
Green 23 yd deep, 22 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 511 yd
Plays south-east. 5 bunkers.
Green 28 yd deep, 17 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 250 yd
Plays west. 4 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 · 319 yd
Plays south-east. Dogleg right. 2 bunkers.
Green 27 yd deep, 22 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 303 yd
Plays south-west. Dogleg left. 2 bunkers.
Green 32 yd deep, 23 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 104 yd
Plays north-west. 2 bunkers.
Green 21 yd deep, 23 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 355 yd
Plays north. Dogleg right. 1 bunker and water.
Green 27 yd deep, 23 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 319 yd
Plays south-west. Dogleg left. 1 bunker and water.
Green 24 yd deep, 25 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 474 yd
Plays north. 1 bunker.
Green 27 yd deep, 24 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 376 yd
Plays south-east. Dogleg left. Water.
Green 22 yd deep, 24 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 173 yd
Plays south. 1 bunker and water.
Green 40 yd deep, 24 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 362 yd
Plays north. Dogleg left. 2 bunkers and water.
Green 21 yd deep, 23 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.