Hole 1
Par 4 · 338 yd
Plays south. 1 bunker.
Green 30 yd deep, 19 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Golf course in Oskaloosa, Iowa, USA
18 holes, par 69, about 5,592 yards (5,113 metres) along the hole lines. The par 3s are 4, 6, 7, 10, 13 and 17. The par 5s are 9, 11 and 18. The longest hole is the 11th at 480 yd, the shortest the 7th at 109 yd. The map shows 12 bunkers. Water is in play on holes 6 and 8.
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 south. 1 bunker.
Green 30 yd deep, 19 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 322 yd
Plays south.
Green 25 yd deep, 25 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 344 yd
Plays east.
Green 24 yd deep, 24 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 180 yd
Plays west. 2 bunkers.
Green 24 yd deep, 24 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 358 yd
Plays north-east. 1 bunker.
Green 28 yd deep, 26 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 347 yd
Plays north. 1 bunker and water.
Green 26 yd deep, 15 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 109 yd
Plays west. 3 bunkers.
Green 23 yd deep, 25 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 405 yd
Plays south. Dogleg right. Water.
Green 31 yd deep, 21 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 441 yd
Plays north. 2 bunkers.
Green 25 yd deep, 20 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 179 yd
Plays east. 2 bunkers.
Green 22 yd deep, 22 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 480 yd
Plays south. Dogleg left.
Green 27 yd deep, 27 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 316 yd
Plays south. Dogleg left.
Green 22 yd deep, 25 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 141 yd
Plays south.
Green 26 yd deep, 26 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 337 yd
Plays north.
Green 23 yd deep, 23 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 318 yd
Plays south.
Green 24 yd deep, 24 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 331 yd
Plays west.
Green 26 yd deep, 26 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 206 yd
Plays north.
Green 25 yd deep, 25 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 440 yd
Plays north. 2 bunkers.
Green 23 yd deep, 23 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.