Hole 1
Par 4 · 436 yd
Plays north. 2 bunkers and water.
Green 35 yd deep, 25 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Golf course in Westminster, Colorado, USA
18 holes, par 72, about 7,023 yards (6,422 metres) along the hole lines. The par 3s are 4, 8, 12 and 16. The par 5s are 3, 6, 11 and 18. The longest hole is the 6th at 564 yd, the shortest the 8th at 173 yd. The map shows 46 bunkers. Water is in play on holes 1, 4, 5, 6, 7 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 · 436 yd
Plays north. 2 bunkers and water.
Green 35 yd deep, 25 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 442 yd
Plays east. Dogleg left. 3 bunkers.
Green 37 yd deep, 23 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 526 yd
Plays south-east. 3 bunkers.
Green 25 yd deep, 32 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 184 yd
Plays south-east. Water.
Green 45 yd deep, 34 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 367 yd
Plays south-east. 2 bunkers and water.
Green 34 yd deep, 22 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 564 yd
Plays north-west. Dogleg left. 3 bunkers and water.
Green 34 yd deep, 37 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 371 yd
Plays north-west. Dogleg right. 1 bunker and water.
Green 39 yd deep, 24 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 173 yd
Plays west. 3 bunkers.
Green 43 yd deep, 24 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 407 yd
Plays south-west. Dogleg left. 1 bunker and water.
Green 38 yd deep, 22 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 358 yd
Plays south. Dogleg right. 6 bunkers.
Green 33 yd deep, 39 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 537 yd
Plays west. 1 bunker.
Green 43 yd deep, 22 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 190 yd
Plays west. 3 bunkers.
Green 27 yd deep, 28 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 409 yd
Plays west. Dogleg left. 2 bunkers.
Green 38 yd deep, 25 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 483 yd
Plays north-west. 1 bunker.
Green 39 yd deep, 23 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 386 yd
Plays south-east. 4 bunkers.
Green 37 yd deep, 28 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 242 yd
Plays north. 2 bunkers.
Green 35 yd deep, 32 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 453 yd
Plays south-east. 4 bunkers.
Green 34 yd deep, 25 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 498 yd
Plays north-east. 4 bunkers.
Green 34 yd deep, 28 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.