Hole 1
Par 4 · 474 yd
Plays south. 8 bunkers.
Green 34 yd deep, 26 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Golf course in Lorton, Virginia, USA
18 holes, par 71, about 6,863 yards (6,276 metres) along the hole lines. The par 3s are 4, 8, 11, 14 and 16. The par 5s are 5, 9, 15 and 18. The longest hole is the 15th at 609 yd, the shortest the 11th at 168 yd. The map shows 123 bunkers. Water is in play on holes 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 · 474 yd
Plays south. 8 bunkers.
Green 34 yd deep, 26 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 335 yd
Plays north-west. 8 bunkers.
Green 39 yd deep, 28 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 424 yd
Plays south-west. 5 bunkers.
Green 47 yd deep, 23 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 177 yd
Plays north-east. 1 bunker.
Green 34 yd deep, 36 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 504 yd
Plays south-east. Dogleg left. 8 bunkers.
Green 33 yd deep, 28 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 499 yd
Plays west. Dogleg left. 7 bunkers.
Green 31 yd deep, 36 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 323 yd
Plays north-west. Dogleg right. 9 bunkers.
Green 30 yd deep, 30 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 234 yd
Plays north-east.
Green 28 yd deep, 35 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 526 yd
Plays north-east. Dogleg right. 13 bunkers.
Green 30 yd deep, 40 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 343 yd
Plays south-east. Dogleg left. 6 bunkers.
Green 35 yd deep, 31 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 168 yd
Plays south. 3 bunkers.
Green 39 yd deep, 27 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 396 yd
Plays north-west. 4 bunkers.
Green 31 yd deep, 38 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 421 yd
Plays south-east. Dogleg right. 8 bunkers.
Green 40 yd deep, 25 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 205 yd
Plays north-west. 5 bunkers.
Green 43 yd deep, 36 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 609 yd
Plays north. 5 bunkers.
Green 45 yd deep, 33 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 177 yd
Plays north-west. 4 bunkers and water.
Green 42 yd deep, 31 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 482 yd
Plays north-west. 5 bunkers.
Green 35 yd deep, 31 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 565 yd
Plays south-east. Dogleg right. 16 bunkers and water.
Green 27 yd deep, 44 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.