Onwentsia Club is an 18-hole golf course in Lake Forest, IL with a par of 71. It offers 5 tee sets: black (6,716 yards, slope 134, rating 72.8), blue (6,402 yards, slope 130, rating 71.3), blue/white (6,186 yards, slope 127, rating 70.3), white (5,924 yards, slope 124, rating 69.1), white/gold (5,679 yards, slope 121, rating 68). The hardest hole is #8, a par 4 playing 414 yards from the first tee.
Onwentsia Club
Lake Forest, IL
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A welcoming opening par 5 that plays relatively straight with a fairway that offers room off the tee. The hole's modest length and straightforward design make it an approachable start, though precision increases in importance as players approach the green.

A mid-length par 4 that demands accuracy over distance. The hole's tight handicap rating suggests strategic complexity, with the approach to the green being the critical challenge rather than the tee shot.

A substantial par 5 with a dogleg shape that rewards aggressive play from accomplished players. The hole's length and configuration create multiple strategic routing options depending on player ability and course conditions.

The most difficult hole on the front nine, this par 4 is deceptively challenging despite a relatively modest length. The routing and green complex demand both power and precision to navigate successfully.

A short par 3 that plays downhill to a receptive green, offering birdie opportunity despite its modest handicap. The hole's brevity makes it one of the course's most accessible scoring chances.

A short par 4 with a generous fairway that invites aggressive play from the tee. The shortness and favorable handicap rating suggest this is a scoring opportunity where the green is within reasonable reach for most players.

A mid-length par 4 that ranks among the front nine's most demanding holes in terms of overall difficulty. The hole's character and hazard placement create a significant strategic test.

The signature hole of the front nine and one of the course's most punishing tests, this par 4 plays to a full 414 yards from the blues. Its top handicap ranking indicates formidable hazards and/or length that command respect.

A mid-length par 3 with reasonable yardage and a straightforward design. The hole offers a birdie opportunity to finish the front nine, though precision remains essential for accessing scoring positions.

A lengthy par 5 that presents a significant challenge despite its mid-tier handicap ranking. The hole's considerable yardage from the back tees requires sustained accuracy over multiple shots.

A short par 3 that plays downhill to the green, offering a reprieve from the preceding longer hole. The modest yardage and favorable handicap suggest this is a scoring opportunity on the back nine.

The second-most difficult hole on the course, this par 4 commands full respect from all player levels. Its extreme handicap rating and 430-yard length from the blues indicate a formidable challenge with significant hazards or strategic complexity.

A challenging par 4 ranked fourth in overall difficulty that requires both power and precision. The hole's substantial length and difficult rating place it among the course's most demanding tests.

A mid-length par 3 with a reasonable yardage that presents a standard short-hole challenge. The hole offers a scoring opportunity for accurate tee shots on the back nine.

The easiest hole on the course, this short par 4 offers genuine birdie opportunity despite its par. The modest yardage and high handicap rating make this a key scoring hole.

A mid-length par 4 ranked eighth in difficulty that presents a balanced test of shot-making. The hole's character and hazard placement create meaningful challenge despite a relatively shorter length.

A short par 4 that plays downhill and provides a favorable setup before the closing hole. The modest length and mid-tier handicap rating suggest a birdie opportunity to set up the finish.

A challenging closing par 4 that demands a strong finish, ranking sixth in overall difficulty. The hole's length and complexity create a fitting conclusion to the round with adequate test for all players.
Scorecard
| Hole | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | Out | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | In | Tot |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Par | 5 | 4 | 5 | 4 | 3 | 4 | 4 | 4 | 3 | 36 | 5 | 3 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 35 | 71 |
| HCP | 11 | 7 | 9 | 3 | 17 | 15 | 5 | 1 | 13 | 10 | 16 | 2 | 4 | 14 | 18 | 8 | 12 | 6 | |||
| black | 499 | 399 | 520 | 418 | 172 | 367 | 411 | 426 | 210 | 3422 | 545 | 191 | 450 | 434 | 192 | 344 | 376 | 321 | 441 | 3294 | 6716 |
| blue | 478 | 388 | 487 | 401 | 159 | 363 | 397 | 414 | 188 | 3275 | 514 | 170 | 430 | 425 | 176 | 331 | 361 | 300 | 420 | 3127 | 6402 |
| blue/white | 478 | 388 | 487 | 385 | 159 | 363 | 367 | 371 | 188 | 3186 | 514 | 170 | 395 | 391 | 176 | 331 | 361 | 300 | 362 | 3000 | 6186 |
| white | 466 | 364 | 466 | 385 | 147 | 337 | 367 | 371 | 175 | 3078 | 459 | 157 | 395 | 391 | 160 | 313 | 326 | 283 | 362 | 2846 | 5924 |
| white/gold | 466 | 364 | 466 | 359 | 121 | 312 | 322 | 343 | 175 | 2928 | 452 | 141 | 361 | 372 | 141 | 313 | 326 | 283 | 362 | 2751 | 5679 |