Hole 1
Par 4 · 386 yd
Plays south-west. Dogleg left. 5 bunkers and water.
Green 27 yd deep, 28 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Golf course in Hillside, Colorado, USA
18 holes, par 70, about 6,881 yards (6,292 metres) along the hole lines. The par 3s are 6, 8, 11, 16 and 17. The par 5s are 2, 4 and 12. The longest hole is the 2nd at 623 yd, the shortest the 8th at 171 yd. The map shows 60 bunkers. Water is in play on holes 1, 7, 8 and 9.
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 · 386 yd
Plays south-west. Dogleg left. 5 bunkers and water.
Green 27 yd deep, 28 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 623 yd
Plays south. 5 bunkers.
Green 30 yd deep, 24 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 436 yd
Plays north. 4 bunkers.
Green 31 yd deep, 27 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 537 yd
Plays south-west. Dogleg right. 2 bunkers.
Green 36 yd deep, 38 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 444 yd
Plays north-east. Dogleg left. 4 bunkers.
Green 30 yd deep, 25 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 222 yd
Plays west. 8 bunkers.
Green 40 yd deep, 32 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 433 yd
Plays east. 10 bunkers and water.
Green 28 yd deep, 28 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 171 yd
Plays west. 3 bunkers and water.
Green 23 yd deep, 25 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 372 yd
Plays east. 6 bunkers and water.
Green 33 yd deep, 32 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 349 yd
Plays south-east. Dogleg right. 4 bunkers.
Green 31 yd deep, 25 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 197 yd
Plays south. 3 bunkers.
Green 27 yd deep, 27 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 562 yd
Plays south-east. 7 bunkers.
Green 28 yd deep, 30 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 371 yd
Plays north-west. 6 bunkers.
Green 37 yd deep, 25 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 352 yd
Plays south-west. Dogleg right. 3 bunkers.
Green 38 yd deep, 31 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 463 yd
Plays south-west.
Green 31 yd deep, 30 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 414 yd
Plays north-east. 1 bunker.
Green 37 yd deep, 23 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 180 yd
Plays north-west. 4 bunkers.
Green 37 yd deep, 15 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 369 yd
Plays north. 2 bunkers.
Green 26 yd deep, 22 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.