Hole 1
Par 4 · 392 yd
Plays north-east. 6 bunkers.
Green 31 yd deep, 28 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Golf course in Dalton, Massachusetts, USA
18 holes, par 71, about 6,502 yards (5,945 metres) along the hole lines. The par 3s are 2, 6, 13 and 17. The par 5s are 7, 14 and 18. The longest hole is the 7th at 524 yd, the shortest the 6th at 170 yd. The map shows 63 bunkers. Water is in play on holes 2, 8, 9, 10, 12, 13, 14, 15, 16, 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 4 · 392 yd
Plays north-east. 6 bunkers.
Green 31 yd deep, 28 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 219 yd
Plays east. 3 bunkers and water.
Green 35 yd deep, 30 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 407 yd
Plays north. 5 bunkers.
Green 34 yd deep, 26 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 313 yd
Plays north-east. Dogleg right. 4 bunkers.
Green 30 yd deep, 23 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 374 yd
Plays west. 6 bunkers.
Green 30 yd deep, 24 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 170 yd
Plays south-east. 4 bunkers.
Green 35 yd deep, 24 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 524 yd
Plays south. 4 bunkers.
Green 31 yd deep, 25 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 409 yd
Plays west. Dogleg left. 2 bunkers and water.
Green 30 yd deep, 27 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 402 yd
Plays south-west. 4 bunkers and water.
Green 30 yd deep, 25 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 378 yd
Plays east. 5 bunkers and water.
Green 32 yd deep, 30 yd wide. Falls 5% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 358 yd
Plays east. Dogleg left. 3 bunkers.
Green 31 yd deep, 30 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 400 yd
Plays north-east. Dogleg left. 5 bunkers and water.
Green 27 yd deep, 23 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 206 yd
Plays south-west. 4 bunkers and water.
Green 33 yd deep, 30 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 514 yd
Plays north-east. 5 bunkers and water.
Green 30 yd deep, 24 yd wide. Falls 8% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 342 yd
Plays west. Dogleg left. 2 bunkers and water.
Green 37 yd deep, 33 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 433 yd
Plays south. 2 bunkers and water.
Green 38 yd deep, 28 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 186 yd
Plays south-west. 1 bunker and water.
Green 27 yd deep, 36 yd wide. Falls 4% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 475 yd
Plays west. Dogleg left. 6 bunkers and water.
Green 40 yd deep, 31 yd wide. Falls 5% 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.