OpenYardage
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Grinnell College Golf Course is a golf course in the United States. 9 holes are surveyed here from OpenStreetMap, 3,095 yd2,829 m of playing length in total, at par 35. The longest hole is number 4 at 523 yd478 m, the shortest number 9 at 171 yd156 m. Worked out in advance: the distance to the front and the back edge of the green for 9 holes as well as the carry distance over 17 bunkers and 2 water hazards for 9 holes. For 9 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 Grinnell College Golf Course. 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.
| HOLE | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | OUT |
|---|---|---|---|---|---|---|---|---|---|---|
| PAR | 4 | 3 | 4 | 5 | 4 | 4 | 4 | 4 | 3 | 35 |
| STROKE INDEX | 17 | 9 | 3 | 5 | 15 | 7 | 1 | 11 | 13 | · |
| LENGTH | 290 yd265 m | 172 yd157 m | 372 yd340 m | 523 yd478 m | 319 yd292 m | 388 yd355 m | 474 yd433 m | 386 yd353 m | 171 yd156 m | 3,095 yd2,829 m |
| GREEN DEPTH | 24 yd22 m | 24 yd22 m | 25 yd23 m | 22 yd20 m | 28 yd26 m | 33 yd30 m | 26 yd24 m | 27 yd25 m | 24 yd22 m | · |
| ELEVATION | -6 yd-6 m | -4 yd-4 m | +9 yd+8 m | +2 yd+2 m | -11 yd-10 m | +6 yd+6 m | -12 yd-11 m | +5 yd+4 m | +1 yd+1 m | · |
For 9 of the 9 holes the elevation profile is calculated. Hole 4 has the most cumulative elevation change along the played line: 16 yd (9 yd up, 7 yd down; +2 yd net tee to green).Hole 4 has the most cumulative elevation change along the played line: 16 m (9 m up, 7 m down; +2 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 2026-09-12.
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