Hole 1
Par 4 · 309 yd
Plays north-west. Dogleg right. 3 bunkers.
Green 24 yd deep, 19 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Golf course in Hot Springs, South Dakota, USA
18 holes, par 70, about 5,455 yards (4,988 metres) along the hole lines. The par 3s are 3, 5, 8, 10, 12 and 14. The par 5s are 4, 6, 13 and 17. The longest hole is the 6th at 530 yd, the shortest the 3rd at 106 yd. The map shows 22 bunkers. Water is in play on holes 10 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 · 309 yd
Plays north-west. Dogleg right. 3 bunkers.
Green 24 yd deep, 19 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 307 yd
Plays south-west. 1 bunker.
Green 19 yd deep, 22 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 106 yd
Plays south-west.
Green 17 yd deep, 15 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 422 yd
Plays north-west. Dogleg left. 1 bunker.
Green 27 yd deep, 24 yd wide. Falls 6% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 141 yd
Plays west. 1 bunker.
Green 28 yd deep, 17 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 530 yd
Plays south-east. Dogleg right. 1 bunker.
Green 24 yd deep, 15 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 382 yd
Plays north-east. Dogleg right. 1 bunker.
Green 30 yd deep, 21 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 118 yd
Plays north-east. 2 bunkers.
Green 24 yd deep, 19 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 352 yd
Plays south-east. Dogleg left. 3 bunkers.
Green 27 yd deep, 23 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 143 yd
Plays south-west. 1 bunker and water.
Green 24 yd deep, 27 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 305 yd
Plays east.
Green 20 yd deep, 19 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 218 yd
Plays east.
Green 24 yd deep, 15 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 495 yd
Plays west. 2 bunkers.
Green 31 yd deep, 28 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 166 yd
Plays north-west.
Green 32 yd deep, 16 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 290 yd
Plays north-west. Dogleg left. 2 bunkers and water.
Green 27 yd deep, 22 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 410 yd
Plays east. Dogleg right. 1 bunker.
Green 27 yd deep, 25 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 435 yd
Plays south-west. Dogleg right. 3 bunkers.
Green 30 yd deep, 23 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 322 yd
Plays north-west. Dogleg left. 2 bunkers.
Green 30 yd deep, 26 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.