Hole 1
Par 4 · 381 yd
Plays south. Dogleg left. 4 bunkers.
Green 32 yd deep, 24 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Golf course in Aurora, Colorado, USA
18 holes, par 72, about 7,018 yards (6,417 metres) along the hole lines. The par 3s are 3, 7, 12 and 15. The par 5s are 2, 6, 11 and 14. The longest hole is the 11th at 584 yd, the shortest the 3rd at 173 yd. The map shows 77 bunkers. Water is in play on holes 4, 5, 10, 11 and 15.
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 · 381 yd
Plays south. Dogleg left. 4 bunkers.
Green 32 yd deep, 24 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 576 yd
Plays east. Dogleg right. 8 bunkers.
Green 28 yd deep, 28 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 173 yd
Plays north. 3 bunkers.
Green 37 yd deep, 30 yd wide. Nearly flat overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 396 yd
Plays north-west. Water.
Green 33 yd deep, 22 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 419 yd
Plays north-west. 5 bunkers and water.
Green 44 yd deep, 30 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 523 yd
Plays south-west. 6 bunkers.
Green 31 yd deep, 27 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 185 yd
Plays east. 3 bunkers.
Green 36 yd deep, 27 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 410 yd
Plays south-east. 4 bunkers.
Green 25 yd deep, 30 yd wide. Nearly flat overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 389 yd
Plays west. Dogleg right. 6 bunkers.
Green 35 yd deep, 34 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 394 yd
Plays north. Dogleg left. 2 bunkers and water.
Green 35 yd deep, 25 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 584 yd
Plays west. Dogleg right. 4 bunkers and water.
Green 27 yd deep, 36 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 203 yd
Plays south. 2 bunkers.
Green 39 yd deep, 25 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 422 yd
Plays west. Dogleg left. 3 bunkers.
Green 31 yd deep, 28 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 501 yd
Plays south-east. 4 bunkers.
Green 30 yd deep, 31 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 190 yd
Plays west. 4 bunkers and water.
Green 28 yd deep, 36 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 397 yd
Plays south. Dogleg right. 4 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 · 456 yd
Plays north-east. 3 bunkers.
Green 38 yd deep, 23 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 418 yd
Plays east. Dogleg left. 8 bunkers.
Green 38 yd deep, 32 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.