Hole 1
Par 4 · 392 yd
Plays south-east. Dogleg right. 10 bunkers.
Green 28 yd deep, 25 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Golf course in Half Moon Bay, California, USA
18 holes, par 72, about 6,738 yards (6,161 metres) along the hole lines. The par 3s are 3, 7, 9, 12 and 17. The par 5s are 4, 8, 10, 14 and 18. The longest hole is the 10th at 536 yd, the shortest the 3rd at 160 yd. The map shows 75 bunkers. Water is in play on holes 5, 7 and 8.
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 · 392 yd
Plays south-east. Dogleg right. 10 bunkers.
Green 28 yd deep, 25 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 347 yd
Plays south. 4 bunkers.
Green 31 yd deep, 21 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 160 yd
Plays north-east. 5 bunkers.
Green 34 yd deep, 22 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 454 yd
Plays east. 9 bunkers.
Green 33 yd deep, 23 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 464 yd
Plays west. 8 bunkers and water.
Green 35 yd deep, 23 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 390 yd
Plays east. 7 bunkers.
Green 28 yd deep, 27 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 175 yd
Plays east. 1 bunker and water.
Green 32 yd deep, 25 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 523 yd
Plays east. Dogleg left. 4 bunkers and water.
Green 28 yd deep, 30 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 183 yd
Plays south-west. 3 bunkers.
Green 28 yd deep, 28 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 536 yd
Plays west. 3 bunkers.
Green 32 yd deep, 24 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 439 yd
Plays east. 3 bunkers.
Green 38 yd deep, 26 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 220 yd
Plays west. 2 bunkers.
Green 33 yd deep, 25 yd wide. Nearly flat overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 433 yd
Plays west. 9 bunkers.
Green 34 yd deep, 24 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 523 yd
Plays east. Dogleg left. 11 bunkers.
Green 31 yd deep, 27 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 411 yd
Plays west. 4 bunkers.
Green 35 yd deep, 27 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 404 yd
Plays north-west. Dogleg right. 6 bunkers.
Green 26 yd deep, 30 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 185 yd
Plays north. 1 bunker.
Green 30 yd deep, 23 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 500 yd
Plays north-west. Dogleg left. 11 bunkers.
Green 32 yd deep, 25 yd wide. Falls 1% 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.