Hole 1
Par 4 · 351 yd
Plays south. Dogleg right. 3 bunkers and water.
Green 31 yd deep, 22 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Golf course in Bay Harbor, Michigan, USA
9 holes, par 36, about 3,282 yards (3,001 metres) along the hole lines. The par 3s are 4 and 8. The par 5s are 7 and 9. The longest hole is the 3rd at 562 yd, the shortest the 8th at 197 yd. The map shows 47 bunkers. Water is in play on holes 1, 3, 4, 5, 6, 8 and 9.
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 · 351 yd
Plays south. Dogleg right. 3 bunkers and water.
Green 31 yd deep, 22 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 200 yd
Plays north-east.
Green 39 yd deep, 30 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 562 yd
Plays south-west. Dogleg right. 2 bunkers and water.
Green 37 yd deep, 24 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 428 yd
Plays north. 3 bunkers and water.
Green 37 yd deep, 25 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 501 yd
Plays south. Dogleg left. 1 bunker and water.
Green 19 yd deep, 37 yd wide. Nearly flat overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 243 yd
Plays north-east. Dogleg right. 2 bunkers and water.
Green 23 yd deep, 28 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 408 yd
Plays north-east. Dogleg left. 2 bunkers.
Green 31 yd deep, 32 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 197 yd
Plays north. 1 bunker and water.
Green 24 yd deep, 37 yd wide. Nearly flat overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 392 yd
Plays east. 1 bunker and water.
Green 32 yd deep, 20 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. Pars are 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.