Hole 1
Par 4 · 308 yd
Plays south-east. Dogleg right.
Green 19 yd deep, 19 yd wide. Falls 7% overall. An arrow every 4 m here, every 2 m in the app.
Golf course in Clayton, New York, USA
9 holes, par 36, about 2,455 yards (2,245 metres) along the hole lines. The only par 3 is the 8th. The only par 5 is the 7th. The longest hole is the 7th at 399 yd, the shortest the 4th at 160 yd. The map shows no bunkers. Water is in play on holes 4, 5, 6 and 7.
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 · 308 yd
Plays south-east. Dogleg right.
Green 19 yd deep, 19 yd wide. Falls 7% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 307 yd
Plays north-west.
Green 20 yd deep, 19 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 363 yd
Plays south-east.
Green 27 yd deep, 22 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 160 yd
Plays south-east. Water.
Green 23 yd deep, 16 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 232 yd
Plays north-west. Water.
Green 20 yd deep, 17 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 269 yd
Plays south-east. Water.
Green 20 yd deep, 16 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 399 yd
Plays north. Water.
Green 20 yd deep, 16 yd wide. Falls 6% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 199 yd
Plays north-east.
Green 24 yd deep, 20 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 218 yd
Plays south-west.
Green 19 yd deep, 14 yd wide. Falls 6% 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.