Hole 1
Par 4 · 343 yd
Plays north-west. Dogleg left. 4 bunkers.
Green 32 yd deep, 23 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Golf course in Oswego, Illinois, USA
18 holes, par 72, about 6,313 yards (5,773 metres) along the hole lines. The par 3s are 4, 8, 12 and 15. The par 5s are 2, 7, 11 and 16. The longest hole is the 11th at 505 yd, the shortest the 8th at 167 yd. The map shows 71 bunkers. Water is in play on holes 2, 3, 4, 5, 6, 11, 12, 15, 16 and 17.
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 · 343 yd
Plays north-west. Dogleg left. 4 bunkers.
Green 32 yd deep, 23 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 502 yd
Plays west. 8 bunkers and water.
Green 26 yd deep, 24 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 357 yd
Plays south-west. 6 bunkers and water.
Green 32 yd deep, 25 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 186 yd
Plays south-west. 2 bunkers and water.
Green 34 yd deep, 26 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 362 yd
Plays north. Dogleg left. 4 bunkers and water.
Green 32 yd deep, 20 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 325 yd
Plays east. Dogleg left. 5 bunkers and water.
Green 33 yd deep, 19 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 479 yd
Plays east. 7 bunkers.
Green 25 yd deep, 26 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 167 yd
Plays east. 3 bunkers.
Green 36 yd deep, 24 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 376 yd
Plays south. 3 bunkers.
Green 37 yd deep, 19 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 366 yd
Plays south. 4 bunkers.
Green 31 yd deep, 21 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 505 yd
Plays south-west. Dogleg right. 7 bunkers and water.
Green 25 yd deep, 24 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 186 yd
Plays north-west. 2 bunkers and water.
Green 22 yd deep, 27 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 366 yd
Plays north-west. 5 bunkers.
Green 31 yd deep, 22 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 349 yd
Plays south-east. 2 bunkers.
Green 24 yd deep, 24 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 195 yd
Plays north-east. 5 bunkers and water.
Green 28 yd deep, 26 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 488 yd
Plays south-west. Dogleg right. 5 bunkers and water.
Green 23 yd deep, 21 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 376 yd
Plays north-east. Dogleg right. 3 bunkers and water.
Green 36 yd deep, 25 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 386 yd
Plays north. Dogleg left.
Green 33 yd deep, 25 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.