Knollwood Club Golf Course vs Onwentsia Club
2.8 mi apart · numbers from each course's map geometry
Knollwood Club Golf Course
Lake Forest, Illinois
Onwentsia Club
Lake Forest, Illinois
| Measure | Knollwood Club Golf Course | Onwentsia Club |
|---|---|---|
| Holes | 18 | 18 |
| Par | 72 | 71 |
| Par 3 · 4 · 5 | 4 · 10 · 4 | 4 · 11 · 3 |
| Measured length | 7,121 yd | 6,746 yd |
| Longest hole | No. 10, 598 yd | No. 10, 544 yd |
| Bunkers | 0 | 90 |
| Sand | – | 3 acres |
| Holes with water | 5 | 4 |
| Water on the property | 4.6 acres | 1.8 acres |
| Total climb | 170 ft | 165 ft |
| Elevation | 667–698 ft | 655–715 ft |
| Biggest drop to a green | -20 ft | -36 ft |
| Average green | 6,767 sq ft | 5,798 sq ft |
| Average fairway width | 31 yd | 38 yd |
| Green to next tee, total | 1,154 yd | 1,303 yd |
| Property | 269 acres | 172 acres |
| Cart path | – | 1.0 mi |
| Driving range | not mapped | not mapped |
Hole by hole
Par and measured yards for each hole; rise is tee to green.
| Hole | Knollwood Club Golf Course | Onwentsia Club | ||||
|---|---|---|---|---|---|---|
| Par | Yd | Rise | Par | Yd | Rise | |
| 1 | 4 | 441 | -10 | 5 | 504 | -26 |
| 2 | 4 | 352 | +4 | 4 | 402 | -19 |
| 3 | 4 | 403 | +10 | 5 | 519 | +16 |
| 4 | 3 | 165 | +4 | 4 | 415 | -12 |
| 5 | 4 | 419 | -14 | 3 | 173 | +6 |
| 6 | 5 | 506 | +13 | 4 | 368 | +7 |
| 7 | 3 | 231 | -20 | 4 | 417 | -10 |
| 8 | 5 | 566 | +12 | 4 | 427 | +22 |
| 9 | 4 | 419 | +15 | 3 | 214 | +13 |
| 10 | 5 | 598 | -16 | 5 | 544 | -36 |
| 11 | 4 | 468 | -4 | 3 | 201 | -10 |
| 12 | 3 | 171 | +4 | 4 | 449 | +10 |
| 13 | 4 | 349 | +5 | 4 | 433 | +7 |
| 14 | 4 | 452 | +6 | 3 | 194 | +3 |
| 15 | 4 | 396 | +18 | 4 | 346 | -14 |
| 16 | 5 | 527 | -2 | 4 | 380 | -3 |
| 17 | 3 | 207 | -1 | 4 | 318 | +9 |
| 18 | 4 | 451 | +16 | 4 | 442 | +22 |
Both courses are drawn by OpenStreetMap contributors; a difference in detail (bunker counts especially) can be a difference in how carefully each was mapped. How each number is measured.