Hole 1
Par 5 · 507 yd
Plays north. Dogleg right.
Green 28 yd deep, 22 yd wide. Nearly flat overall. An arrow every 4 m here, every 2 m in the app.
Golf course in Grand Lake, Colorado, USA
18 holes, par 72, about 6,469 yards (5,915 metres) along the hole lines. The par 3s are 3, 7, 11 and 16. The par 5s are 1, 8, 12 and 18. The longest hole is the 18th at 528 yd, the shortest the 7th at 149 yd. The map shows 18 bunkers. Water is in play on holes 11, 13 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 5 · 507 yd
Plays north. Dogleg right.
Green 28 yd deep, 22 yd wide. Nearly flat overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 346 yd
Plays north-west. 1 bunker.
Green 17 yd deep, 25 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 173 yd
Plays north-east. 2 bunkers.
Green 25 yd deep, 19 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 374 yd
Plays east. 1 bunker.
Green 24 yd deep, 33 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 387 yd
Plays west. 1 bunker.
Green 28 yd deep, 23 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 402 yd
Plays east. Dogleg left. 2 bunkers.
Green 27 yd deep, 22 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 149 yd
Plays west. 3 bunkers.
Green 25 yd deep, 21 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 504 yd
Plays south-east. Dogleg left.
Green 26 yd deep, 26 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 358 yd
Plays south-west. Dogleg left. 3 bunkers.
Green 25 yd deep, 16 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 354 yd
Plays south-west. Dogleg left.
Green 30 yd deep, 31 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 191 yd
Plays north. Water.
Green 26 yd deep, 36 yd wide. Falls 8% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 507 yd
Plays north. Dogleg left. 1 bunker.
Green 34 yd deep, 28 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 359 yd
Plays west. 3 bunkers and water.
Green 31 yd deep, 27 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 401 yd
Plays east. Dogleg right. 1 bunker.
Green 32 yd deep, 31 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 399 yd
Plays north-west.
Green 38 yd deep, 23 yd wide. Falls 6% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 163 yd
Plays east.
Green 31 yd deep, 34 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 364 yd
Plays south-east. Dogleg right. 2 bunkers.
Green 27 yd deep, 26 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 528 yd
Plays south. Dogleg left. 2 bunkers and water.
Green 33 yd deep, 32 yd wide. Falls 3% 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.