Hole 1
Par 4 · 362 yd
Plays south. 4 bunkers and water.
Green 27 yd deep, 20 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Courses › England, United Kingdom
Golf course in Chalfont St. Giles, England, United Kingdom
18 holes, par 67, about 5,026 yards (4,596 metres) along the hole lines. The par 3s are 3, 5, 6, 8, 11, 12 and 14. The par 5s are 4 and 17. The longest hole is the 4th at 502 yd, the shortest the 3rd at 122 yd. The map shows 47 bunkers. Water is in play on holes 1, 3, 5, 6, 9, 10, 14, 15, 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 4 · 362 yd
Plays south. 4 bunkers and water.
Green 27 yd deep, 20 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 323 yd
Plays north-east. Dogleg left. 2 bunkers.
Green 26 yd deep, 27 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 122 yd
Plays north-east. 2 bunkers and water.
Green 23 yd deep, 24 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 502 yd
Plays south-east. Dogleg left. 6 bunkers.
Green 22 yd deep, 23 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 161 yd
Plays north-west. 3 bunkers and water.
Green 37 yd deep, 16 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 151 yd
Plays south. 2 bunkers and water.
Green 24 yd deep, 34 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 297 yd
Plays north-west. Dogleg left. 3 bunkers.
Green 38 yd deep, 20 yd wide. Nearly flat overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 162 yd
Plays north-east. 2 bunkers.
Green 22 yd deep, 31 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 255 yd
Plays north. Dogleg right. 3 bunkers and water.
Green 24 yd deep, 25 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 388 yd
Plays south. 7 bunkers and water.
Green 38 yd deep, 21 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 162 yd
Plays north. 4 bunkers.
Green 31 yd deep, 17 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 187 yd
Plays north. 4 bunkers.
Green 27 yd deep, 27 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 324 yd
Plays west. Dogleg left. 3 bunkers.
Green 23 yd deep, 21 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 126 yd
Plays east. Water.
Green 24 yd deep, 25 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 221 yd
Plays south. 1 bunker and water.
Green 22 yd deep, 23 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 416 yd
Plays north-west. Dogleg right. 5 bunkers and water.
Green 26 yd deep, 25 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 500 yd
Plays south-east. Dogleg left. 6 bunkers and water.
Green 31 yd deep, 17 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 370 yd
Plays north-west. Dogleg right. 4 bunkers and water.
Green 24 yd deep, 28 yd wide. Falls 3% 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: Environment Agency LIDAR Composite DTM 1 m (Open Government Licence). Our maps are open data too. Number & Line isn't connected with the club.