Hole 1
Par 4 · 334 yd
Plays west. Dogleg left. 4 bunkers.
Green 27 yd deep, 37 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Golf course in Houston, Texas, USA
18 holes, par 71, about 6,405 yards (5,857 metres) along the hole lines. The par 3s are 5, 8, 10 and 16. The par 5s are 2, 3 and 17. The longest hole is the 3rd at 517 yd, the shortest the 8th at 149 yd. The map shows 56 bunkers. Water is in play on holes 7, 8, 9, 13, 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 · 334 yd
Plays west. Dogleg left. 4 bunkers.
Green 27 yd deep, 37 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 471 yd
Plays south. 4 bunkers.
Green 34 yd deep, 32 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 517 yd
Plays south. 8 bunkers.
Green 32 yd deep, 23 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 457 yd
Plays east. 4 bunkers.
Green 32 yd deep, 24 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 208 yd
Plays north. 3 bunkers.
Green 36 yd deep, 31 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 465 yd
Plays north-east. Dogleg right. 3 bunkers.
Green 39 yd deep, 26 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 393 yd
Plays north-east. 2 bunkers and water.
Green 30 yd deep, 30 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 149 yd
Plays east. 2 bunkers and water.
Green 26 yd deep, 27 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 328 yd
Plays west. 3 bunkers and water.
Green 33 yd deep, 24 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 155 yd
Plays west. 2 bunkers.
Green 31 yd deep, 22 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 444 yd
Plays south-west. 3 bunkers.
Green 32 yd deep, 22 yd wide. Falls 3% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 293 yd
Plays east. 3 bunkers.
Green 30 yd deep, 26 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 319 yd
Plays west. Dogleg left. 4 bunkers and water.
Green 30 yd deep, 21 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 386 yd
Plays south. 5 bunkers.
Green 32 yd deep, 24 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 372 yd
Plays east. 4 bunkers.
Green 33 yd deep, 21 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 3 · 231 yd
Plays west. 3 bunkers.
Green 31 yd deep, 27 yd wide. Falls 2% overall. An arrow every 4 m here, every 2 m in the app.
Par 5 · 507 yd
Plays north-east. 4 bunkers and water.
Green 38 yd deep, 25 yd wide. Falls 1% overall. An arrow every 4 m here, every 2 m in the app.
Par 4 · 376 yd
Plays north. 4 bunkers and water.
Green 30 yd deep, 32 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.