Hole 1
Par 5 · 501 yd
Plays east. Water.
Green 37 yd deep, 32 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Golf course in Huron, Ohio, USA
18 holes, par 73, about 4,836 yards (4,422 metres) along the hole lines. The par 3s are 7, 12 and 15. The par 5s are 1, 5, 10 and 14. The longest hole is the 1st at 501 yd, the shortest the 7th at 56 yd. The map shows 2 bunkers. Water is in play on holes 1, 7, 8, 9, 10, 11, 13, 14, 17 and 18.
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 5 · 501 yd
Plays east. Water.
Green 37 yd deep, 32 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 335 yd
Plays east. Dogleg right.
Green 35 yd deep, 28 yd wide. Nearly flat overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 113 yd
Plays east. 2 bunkers.
Green 40 yd deep, 22 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 222 yd
Plays west.
Green 30 yd deep, 28 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 344 yd
Plays south-west. Dogleg left.
Green 30 yd deep, 31 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 231 yd
Plays west.
Green 24 yd deep, 37 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 56 yd
Plays north. Water.
Green 27 yd deep, 31 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 280 yd
Plays east. Water.
Green 33 yd deep, 35 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 271 yd
Plays west. Water.
Green 27 yd deep, 21 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 409 yd
Plays east. Water.
Green 36 yd deep, 22 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 297 yd
Plays west. Water.
Green 32 yd deep, 21 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 109 yd
Plays east.
Green 25 yd deep, 31 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 293 yd
Plays east. Water.
Green 33 yd deep, 33 yd wide. Nearly flat overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 401 yd
Plays east. Dogleg left. Water.
Green 38 yd deep, 27 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 124 yd
Plays east.
Green 35 yd deep, 22 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 225 yd
Plays west.
Green 33 yd deep, 25 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 283 yd
Plays west. Dogleg left. Water.
Green 22 yd deep, 34 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 340 yd
Plays west. Water.
Green 32 yd deep, 31 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.