Hole 1
Par 4 · 348 yd
Plays north-west. 2 bunkers.
Green 24 yd deep, 31 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Golf course in Houston, Texas, USA
18 holes, par 72, about 6,664 yards (6,094 metres) along the hole lines. The par 3s are 3, 8, 14 and 16. The par 5s are 2, 6, 10 and 17. The longest hole is the 17th at 573 yd, the shortest the 3rd at 119 yd. The map shows 30 bunkers. Water is in play on holes 5, 6, 12, 13 and 16.
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 · 348 yd
Plays north-west. 2 bunkers.
Green 24 yd deep, 31 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 509 yd
Plays north-west. Dogleg left. 3 bunkers.
Green 34 yd deep, 19 yd wide. Nearly flat overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 119 yd
Plays west. 2 bunkers.
Green 26 yd deep, 25 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 395 yd
Plays west. 1 bunker.
Green 35 yd deep, 21 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 401 yd
Plays south-west. Dogleg left. 1 bunker and water.
Green 31 yd deep, 25 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 511 yd
Plays east. 3 bunkers and water.
Green 32 yd deep, 23 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 420 yd
Plays east. 2 bunkers.
Green 32 yd deep, 28 yd wide. Nearly flat overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 178 yd
Plays south. 1 bunker.
Green 30 yd deep, 23 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 405 yd
Plays south-east. 2 bunkers.
Green 30 yd deep, 23 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 515 yd
Plays north. Dogleg right. 1 bunker.
Green 26 yd deep, 24 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 396 yd
Plays west. 1 bunker.
Green 28 yd deep, 27 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 371 yd
Plays south-west. Dogleg left. 2 bunkers and water.
Green 33 yd deep, 26 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 428 yd
Plays west. 1 bunker and water.
Green 33 yd deep, 31 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 159 yd
Plays south-west. 2 bunkers.
Green 31 yd deep, 27 yd wide. Nearly flat overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 390 yd
Plays west. Dogleg left. 2 bunkers.
Green 28 yd deep, 30 yd wide. Nearly flat overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 152 yd
Plays south. 2 bunkers and water.
Green 30 yd deep, 28 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 573 yd
Plays east. 2 bunkers.
Green 32 yd deep, 25 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 398 yd
Plays south-east. Dogleg left. 3 bunkers.
Green 32 yd deep, 25 yd wide. Falls 2% 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.