In OpenStreetMap this club has more holes than a single round, or hands out numbers more than once. Which hole belongs to which course is not in the data: the holes carry no golf:course:name. Where that tag is present we separate the courses and show them one by one. Here all holes stand together, and whoever writes the book makes the choice. Tagging the holes in OpenStreetMap settles it for everyone.
Hearthstone Country Club is a golf course in the United States. 27 holes are surveyed here from OpenStreetMap, 9,786 yd8,950 m of playing length in total, at par 106. The longest hole is number 9 at 521 yd476 m, the shortest number 21 at 105 yd96 m. Worked out in advance: the distance to the front and the back edge of the green for 27 holes as well as the carry distance over 49 bunkers and 19 water hazards for 27 holes. For 27 holes the elevation change between tee and green is on record as well.
Every hazard carries two numbers: the first reaches its near edge, the second carries past it. Drawn from OpenStreetMap, exactly as the app draws it.
Yardage book for Hearthstone Country Club. In OpenYardage every hole is a drawing, with distance rings, your own notes hole by hole and your club choice. Books by other players can be read, copied and printed as an A6 booklet.
OPEN THE COURSE IN THE APPReading needs no account. Writing your own book does.
Never played with a yardage book? What goes in one and how to read it
Par and stroke index are on record for every hole, so the card is complete. Not every club publishes its scorecard; this one is put together from the open data of OpenStreetMap and is not the club's official card. For a counting round the card from the pro shop is the one that applies.
All figures in yards, converted from the metre values in OpenStreetMap.All figures in metres. The length follows the line of play from the back tee to the middle of the green and takes a dogleg with it. Carry distances count from the tee to the near edge and to the far edge of the hazard. The stroke index ranks the holes by difficulty from 1 to 18 and decides where net strokes fall.
TABLE SCROLLS SIDEWAYS
| HOLE | PAR | STROKE INDEX | LENGTH | GREEN FRONT · MIDDLE · BACK | GREEN DEPTH | GREEN WIDTH | ELEVATION | WALK TO NEXT HOLE |
|---|---|---|---|---|---|---|---|---|
| 1 OSM | 4 | 4 | 444 yd406 m | 429 · 443 · 459 yd392 · 405 · 420 m | 31 yd28 m | 32 yd29 m | -1 yd-1 m | 191 yd175 m |
| 2 OSM | 4 | 5 | 392 yd358 m | 376 · 393 · 405 yd344 · 359 · 370 m | 28 yd26 m | 30 yd27 m | +1 yd+1 m | · |
| 3 OSM | 5 | 13 | 484 yd443 m | 475 · 484 · 493 yd434 · 443 · 451 m | 17 yd16 m | 16 yd15 m | 0 yd0 m | · |
| 4 OSM | 5 | 2 | 496 yd454 m | 481 · 498 · 514 yd440 · 455 · 470 m | 33 yd30 m | 31 yd28 m | +1 yd+1 m | · |
| 5 OSM | 5 | 2 | 492 yd450 m | 475 · 492 · 507 yd434 · 450 · 464 m | 33 yd30 m | 20 yd18 m | 0 yd0 m | · |
| 6 OSM | 4 | 7 | 400 yd366 m | 383 · 401 · 417 yd350 · 367 · 381 m | 34 yd31 m | 27 yd25 m | +1 yd+1 m | · |
| 7 OSM | 4 | 6 | 424 yd388 m | 407 · 425 · 442 yd372 · 389 · 404 m | 35 yd32 m | 27 yd25 m | +2 yd+1 m | 58 yd53 m |
| 8 OSM | 4 | 3 | 410 yd375 m | 399 · 408 · 420 yd365 · 373 · 384 m | 21 yd19 m | 31 yd28 m | +1 yd+1 m | · |
| 9 OSM | 5 | 3 | 521 yd476 m | 509 · 521 · 530 yd465 · 476 · 485 m | 22 yd20 m | 28 yd26 m | +1 yd0 m | · |
| 10 OSM 1 | 4 | 11 | 437 yd400 m | 421 · 439 · 453 yd385 · 401 · 414 m | 32 yd29 m | 25 yd23 m | 0 yd0 m | · |
| 11 OSM 1 | 4 | 7 | 406 yd371 m | 396 · 407 · 417 yd362 · 372 · 381 m | 21 yd19 m | 27 yd25 m | 0 yd0 m | 114 yd104 m |
| 12 OSM 2 | 4 | 1 | 390 yd357 m | 373 · 389 · 406 yd341 · 356 · 371 m | 34 yd31 m | 23 yd21 m | 0 yd0 m | · |
| 13 OSM 2 | 4 | 9 | 352 yd322 m | 339 · 352 · 364 yd310 · 322 · 333 m | 25 yd23 m | 25 yd23 m | 0 yd0 m | · |
| 14 OSM 3 | 4 | 4 | 394 yd360 m | 376 · 393 · 410 yd344 · 359 · 375 m | 34 yd31 m | 23 yd21 m | -1 yd0 m | · |
| 15 OSM 3 | 3 | 9 | 231 yd211 m | 217 · 231 · 243 yd198 · 211 · 222 m | 26 yd24 m | 25 yd23 m | +1 yd+1 m | · |
| 16 OSM 4 | 3 | 17 | 215 yd197 m | 199 · 212 · 229 yd182 · 194 · 209 m | 30 yd27 m | 26 yd24 m | +1 yd+1 m | · |
| 17 OSM 4 | 3 | 8 | 183 yd167 m | 165 · 182 · 197 yd151 · 166 · 180 m | 32 yd29 m | 27 yd25 m | +1 yd+1 m | · |
| 18 OSM 5 | 5 | 7 | 471 yd431 m | 459 · 475 · 487 yd420 · 434 · 445 m | 26 yd24 m | 26 yd24 m | 0 yd0 m | · |
| 19 OSM 5 | 3 | 6 | 199 yd182 m | 178 · 196 · 213 yd163 · 179 · 195 m | 35 yd32 m | 16 yd15 m | 0 yd0 m | · |
| 20 OSM 6 | 4 | 1 | 392 yd358 m | 382 · 392 · 401 yd349 · 358 · 367 m | 21 yd19 m | 21 yd19 m | 0 yd0 m | · |
| 21 OSM 6 | 3 | 9 | 105 yd96 m | 92 · 104 · 119 yd84 · 95 · 109 m | 27 yd25 m | 19 yd17 m | 0 yd0 m | · |
| 22 OSM 7 | 4 | 3 | 355 yd325 m | 344 · 355 · 366 yd315 · 325 · 335 m | 22 yd20 m | 17 yd16 m | +1 yd+1 m | · |
| 23 OSM 7 | 3 | 8 | 184 yd168 m | 171 · 183 · 194 yd156 · 167 · 177 m | 23 yd21 m | 22 yd20 m | +1 yd+1 m | 95 yd87 m |
| 24 OSM 8 | 4 | 5 | 386 yd353 m | 370 · 385 · 398 yd338 · 352 · 364 m | 28 yd26 m | 32 yd29 m | +1 yd+1 m | · |
| 25 OSM 8 | 3 | 15 | 200 yd183 m | 180 · 197 · 214 yd165 · 180 · 196 m | 34 yd31 m | 26 yd24 m | +1 yd+1 m | 68 yd62 m |
| 26 OSM 9 | 4 | 5 | 437 yd400 m | 423 · 436 · 449 yd387 · 399 · 411 m | 26 yd24 m | 24 yd22 m | +2 yd+2 m | · |
| 27 OSM 9 | 4 | 1 | 386 yd353 m | 373 · 384 · 396 yd341 · 351 · 362 m | 23 yd21 m | 24 yd22 m | +1 yd+1 m | · |
| HOLES 1 TO 9 | 40 | 4,063 yd3,716 m | ||||||
| HOLES 10 TO 18 | 34 | 3,079 yd2,816 m | ||||||
| 27 HOLES | 106 | 9,786 yd8,950 m |
For 27 of the 27 holes the elevation profile is calculated. Hole 18 has the most cumulative elevation change along the played line: 6 yd (3 yd up, 3 yd down; 0 yd net tee to green).Hole 18 has the most cumulative elevation change along the played line: 6 m (3 m up, 3 m down; 0 m net tee to green). The basis are official elevation models (US-3DEP).
Two numbers to every hazard: the first reaches its near edge, the second carries past it. Land between the two and you are in it.
Bunker Red penalty area Water · yards from the teemetres from the tee · L left · R right
The basis is the map of this course in OpenStreetMap. Lengths, distances to the green edge and carry distances are calculated from it, not copied: every hole is projected onto its line of play and the arc length from the tee is counted. This replaces neither an official course measurement nor the club's scorecard. If you spot a mistake you can report it through the course page in the app, map it in FairwayMapper or correct it in OpenStreetMap straight away. Data as of 2026-09-18.
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