Hole 1
Par 4 · 370 yd
Plays north-west. 2 bunkers.
Green 21 yd deep, 31 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Golf course in Hilton Head, South Carolina, USA
18 holes, par 72, about 6,427 yards (5,877 metres) along the hole lines. The par 3s are 3, 8, 11 and 15. The par 5s are 6, 9, 13 and 18. The longest hole is the 18th at 509 yd, the shortest the 8th at 132 yd. The map shows 17 bunkers. Water is in play on holes 5, 6, 9, 12, 13, 14, 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 · 370 yd
Plays north-west. 2 bunkers.
Green 21 yd deep, 31 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 372 yd
Plays north-west. Dogleg left.
Green 35 yd deep, 26 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 138 yd
Plays east. 1 bunker.
Green 31 yd deep, 26 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 405 yd
Plays west. 1 bunker.
Green 37 yd deep, 22 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 376 yd
Plays south-west. Dogleg left. 1 bunker and water.
Green 34 yd deep, 14 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 495 yd
Plays north-east. 1 bunker and water.
Green 30 yd deep, 23 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 409 yd
Plays south-east. 3 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 · 132 yd
Plays south.
Green 26 yd deep, 30 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 506 yd
Plays south-east. Water.
Green 22 yd deep, 34 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 386 yd
Plays north-west. Dogleg left.
Green 26 yd deep, 20 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 170 yd
Plays north-east. 2 bunkers.
Green 30 yd deep, 20 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 377 yd
Plays south-west. Dogleg right. Water.
Green 33 yd deep, 23 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 482 yd
Plays north. Dogleg right. 1 bunker and water.
Green 22 yd deep, 32 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 420 yd
Plays south. Dogleg left. 2 bunkers and water.
Green 34 yd deep, 20 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 154 yd
Plays north-west. 1 bunker.
Green 32 yd deep, 15 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 343 yd
Plays south-east. 2 bunkers and water.
Green 45 yd deep, 31 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 383 yd
Plays east. Dogleg left. Water.
Green 35 yd deep, 20 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 509 yd
Plays south-east. Dogleg right.
Green 19 yd deep, 25 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.