Hole 1
Par 4 · 313 yd
Plays north-west. Dogleg left. 12 bunkers.
Green 49 yd deep, 26 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Golf course in Elverson, Pennsylvania, USA
18 holes, par 71, about 5,546 yards (5,071 metres) along the hole lines. The par 3s are 3, 5, 8, 10 and 17. The par 5s are 4, 6, 11 and 16. The longest hole is the 6th at 500 yd, the shortest the 5th at 97 yd. The map shows 97 bunkers. Water is in play on holes 3, 4, 5, 16 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 · 313 yd
Plays north-west. Dogleg left. 12 bunkers.
Green 49 yd deep, 26 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 414 yd
Plays south-east. Dogleg right. 6 bunkers.
Green 32 yd deep, 44 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 118 yd
Plays south. 1 bunker and water.
Green 24 yd deep, 36 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 404 yd
Plays south-west. 2 bunkers and water.
Green 24 yd deep, 28 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 97 yd
Plays east. 3 bunkers and water.
Green 20 yd deep, 24 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 500 yd
Plays east. 10 bunkers.
Green 34 yd deep, 32 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 336 yd
Plays north-west. Dogleg right. 5 bunkers.
Green 36 yd deep, 27 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 148 yd
Plays west. 4 bunkers.
Green 31 yd deep, 32 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 341 yd
Plays north. Dogleg right. 7 bunkers.
Green 26 yd deep, 27 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 128 yd
Plays south-east. 2 bunkers.
Green 28 yd deep, 25 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 464 yd
Plays east. 5 bunkers.
Green 30 yd deep, 20 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 400 yd
Plays east. Dogleg left.
Green 35 yd deep, 26 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 307 yd
Plays south-west. Dogleg right. 7 bunkers.
Green 34 yd deep, 37 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 307 yd
Plays west. Dogleg left. 7 bunkers.
Green 31 yd deep, 23 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 252 yd
Plays north. 7 bunkers.
Green 27 yd deep, 27 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 466 yd
Plays north. 5 bunkers and water.
Green 36 yd deep, 26 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 183 yd
Plays south-west. 4 bunkers.
Green 30 yd deep, 31 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 370 yd
Plays south. Dogleg left. 3 bunkers and water.
Green 31 yd deep, 34 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.