Hole 1
Par 4 · 420 yd
Plays south. 2 bunkers.
Green 35 yd deep, 28 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Golf course in Hamilton, Montana, USA
18 holes, par 72, about 7,164 yards (6,551 metres) along the hole lines. The par 3s are 5, 7, 12 and 17. The par 5s are 6, 8, 13 and 16. The longest hole is the 6th at 632 yd, the shortest the 12th at 170 yd. The map shows 62 bunkers. Water is in play on holes 8 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 · 420 yd
Plays south. 2 bunkers.
Green 35 yd deep, 28 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 397 yd
Plays south-east. Dogleg left. 2 bunkers.
Green 25 yd deep, 35 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 363 yd
Plays west. Dogleg left. 4 bunkers.
Green 44 yd deep, 22 yd wide. Nearly flat overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 448 yd
Plays east. Dogleg right. 3 bunkers.
Green 35 yd deep, 26 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 233 yd
Plays west. 1 bunker.
Green 44 yd deep, 30 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 632 yd
Plays west. 6 bunkers.
Green 42 yd deep, 27 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 182 yd
Plays east. 1 bunker.
Green 31 yd deep, 46 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 551 yd
Plays north-east. Dogleg left. 4 bunkers and water.
Green 45 yd deep, 31 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 479 yd
Plays north. Dogleg left. 5 bunkers.
Green 37 yd deep, 32 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 482 yd
Plays south. 3 bunkers.
Green 39 yd deep, 37 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 371 yd
Plays north-west. 4 bunkers.
Green 25 yd deep, 31 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 170 yd
Plays west. 1 bunker.
Green 32 yd deep, 25 yd wide. Nearly flat overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 540 yd
Plays south. Dogleg right. 5 bunkers.
Green 40 yd deep, 30 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 427 yd
Plays east. Dogleg left. 2 bunkers.
Green 37 yd deep, 32 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 357 yd
Plays north-east. Dogleg right. 2 bunkers and water.
Green 31 yd deep, 35 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 479 yd
Plays north-east. Dogleg left. 6 bunkers.
Green 32 yd deep, 31 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 189 yd
Plays east. 2 bunkers.
Green 32 yd deep, 28 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 445 yd
Plays north-west. 3 bunkers.
Green 37 yd deep, 42 yd wide. Falls 4% 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.