Hole 1
Par 4 · 342 yd
Plays south-west. 6 bunkers.
Green 26 yd deep, 20 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Golf course in Millbrae, California, USA
18 holes, par 71, about 6,223 yards (5,690 metres) along the hole lines. The par 3s are 4, 7, 13 and 15. The par 5s are 2, 3 and 16. The longest hole is the 16th at 512 yd, the shortest the 7th at 149 yd. The map shows 69 bunkers. Water is in play on holes 16 and 17.
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 · 342 yd
Plays south-west. 6 bunkers.
Green 26 yd deep, 20 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 499 yd
Plays north-east. Dogleg left. 6 bunkers.
Green 28 yd deep, 23 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 500 yd
Plays south-west. 10 bunkers.
Green 26 yd deep, 25 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 177 yd
Plays south. 5 bunkers.
Green 24 yd deep, 22 yd wide. Falls 7% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 355 yd
Plays north. 7 bunkers.
Green 31 yd deep, 28 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 396 yd
Plays north-east. 7 bunkers.
Green 32 yd deep, 24 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 149 yd
Plays south. 6 bunkers.
Green 27 yd deep, 26 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 382 yd
Plays south-east. 6 bunkers.
Green 21 yd deep, 37 yd wide. Falls 6% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 361 yd
Plays north-west. 7 bunkers.
Green 27 yd deep, 32 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 346 yd
Plays south-east. 3 bunkers.
Green 33 yd deep, 23 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 340 yd
Plays north-west. 7 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 · 364 yd
Plays south-east. 4 bunkers.
Green 32 yd deep, 23 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 168 yd
Plays west. 7 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 · 376 yd
Plays west. 4 bunkers.
Green 30 yd deep, 19 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 174 yd
Plays north-west. 4 bunkers.
Green 32 yd deep, 30 yd wide. Falls 9% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 512 yd
Plays east. 5 bunkers and water.
Green 36 yd deep, 26 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 359 yd
Plays west. 6 bunkers and water.
Green 30 yd deep, 33 yd wide. Falls 7% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 423 yd
Plays north-east. 4 bunkers.
Green 28 yd deep, 33 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.