Hole 1
Par 4 · 338 yd
Plays east. 3 bunkers and water.
Green 37 yd deep, 19 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Golf course in Twin Falls, Idaho, USA
18 holes, par 72, about 6,578 yards (6,015 metres) along the hole lines. The par 3s are 6, 9, 15 and 17. The par 5s are 2, 8, 12 and 16. The longest hole is the 12th at 519 yd, the shortest the 9th at 168 yd. The map shows 39 bunkers. Water is in play on holes 1, 2, 9 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 · 338 yd
Plays east. 3 bunkers and water.
Green 37 yd deep, 19 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 518 yd
Plays south-east. Dogleg left. Water.
Green 33 yd deep, 35 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 361 yd
Plays east. 2 bunkers.
Green 40 yd deep, 25 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 398 yd
Plays south-east.
Green 47 yd deep, 27 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 370 yd
Plays north-west. Dogleg left. 5 bunkers.
Green 42 yd deep, 28 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 203 yd
Plays south-west. 2 bunkers.
Green 34 yd deep, 22 yd wide. Nearly flat overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 398 yd
Plays north-west. 2 bunkers.
Green 28 yd deep, 23 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 479 yd
Plays north-west. Dogleg left. 3 bunkers.
Green 38 yd deep, 15 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 168 yd
Plays south-east. Water.
Green 35 yd deep, 15 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 341 yd
Plays east. 8 bunkers.
Green 33 yd deep, 28 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 295 yd
Plays north. Dogleg right.
Green 28 yd deep, 31 yd wide. Falls 6% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 519 yd
Plays west. Dogleg right. 3 bunkers.
Green 36 yd deep, 16 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 442 yd
Plays north-east. 2 bunkers.
Green 34 yd deep, 17 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 393 yd
Plays south-west. Dogleg left. 4 bunkers.
Green 28 yd deep, 34 yd wide. Nearly flat overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 189 yd
Plays south. Water.
Green 22 yd deep, 36 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 475 yd
Plays south-east. 3 bunkers.
Green 44 yd deep, 21 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 222 yd
Plays south. 4 bunkers.
Green 26 yd deep, 31 yd wide. Falls 6% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 468 yd
Plays north-west. 2 bunkers.
Green 34 yd deep, 17 yd wide. Falls 1% 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.