Hole 1
Par 4 · 260 yd
Plays south-east.
Green 17 yd deep, 19 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Golf course in Chester Heights, Pennsylvania, USA
9 holes, par 32, about 1,670 yards (1,527 metres) along the hole lines. The par 3s are 2, 3, 4, 6 and 8. The only par 5 is the 9th. The longest hole is the 7th at 284 yd, the shortest the 4th at 102 yd. The map shows no bunkers. Water is in play on the 6th.
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 · 260 yd
Plays south-east.
Green 17 yd deep, 19 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 135 yd
Plays south-east.
Green 16 yd deep, 16 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 133 yd
Plays west.
Green 17 yd deep, 16 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 102 yd
Plays north.
Green 16 yd deep, 15 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 209 yd
Plays north-west. Dogleg left.
Green 13 yd deep, 15 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 150 yd
Plays west. Water.
Green 21 yd deep, 22 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 284 yd
Plays west.
Green 21 yd deep, 16 yd wide. Nearly flat overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 131 yd
Plays north-west.
Green 20 yd deep, 17 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 266 yd
Plays north-east.
Green 20 yd deep, 25 yd wide. Nearly flat 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.