Open Ontonagon in GolfCore Get the free app
The course, by the numbers
| Location | Ontonagon, Michigan, United States |
|---|---|
| Address | 19906 Firesteel Road, Ontonagon, MI |
| Phone | +1 906-884-4130 |
| Website | ontonagongolfclub.com |
| Holes | 9 |
| Par | 35 |
| Tees on the card | 8, 8 USGA-rated |
| Greens mapped | 10 |
| Elevation contours | 51 |
| Contour interval | 3-inch |
| Largest green elevation span | 2.4 ft |
| Steepest measured slope | 8.4% |
| Course map | Traced hole by hole |
| Wind modeling | Live wind grid, 16 directions |
| Tree canopy | 1-meter canopy height model |
| Course data updated | 2026-08-07 |
The card
| Hole | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | Out |
|---|---|---|---|---|---|---|---|---|---|---|
| Par | 4 | 3 | 4 | 4 | 5 | 5 | 4 | 3 | 3 | 35 |
| Yards | 379 | 144 | 380 | 371 | 547 | 515 | 370 | 164 | 165 | 3,035 |
| Hcp | 13 | 11 | 1 | 5 | 7 | 17 | 15 | 3 | 9 |
| Hole | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | In |
|---|---|---|---|---|---|---|---|---|---|---|
| Par | 4 | 3 | 4 | 4 | 5 | 5 | 4 | 3 | 3 | 35 |
| Yards | 376 | 135 | 364 | 354 | 545 | 502 | 361 | 150 | 165 | 2,952 |
| Hcp | 14 | 12 | 2 | 6 | 8 | 18 | 16 | 4 | 10 |
Total70 Yards5,987
| Hole | Par | Yards | Hcp |
|---|---|---|---|
| 1 | 4 | 379 | 13 |
| 2 | 3 | 144 | 11 |
| 3 | 4 | 380 | 1 |
| 4 | 4 | 371 | 5 |
| 5 | 5 | 547 | 7 |
| 6 | 5 | 515 | 17 |
| 7 | 4 | 370 | 15 |
| 8 | 3 | 164 | 3 |
| 9 | 3 | 165 | 9 |
| Out | 35 | 3,035 | |
| 10 | 4 | 376 | 14 |
| 11 | 3 | 135 | 12 |
| 12 | 4 | 364 | 2 |
| 13 | 4 | 354 | 6 |
| 14 | 5 | 545 | 8 |
| 15 | 5 | 502 | 18 |
| 16 | 4 | 361 | 16 |
| 17 | 3 | 150 | 4 |
| 18 | 3 | 165 | 10 |
| In | 35 | 2,952 | |
| Total | 70 | 5,987 |
Course rating and slope
| Tee | Yards | Par | Rating / Slope |
|---|---|---|---|
| Blue | 6,180 | 70 | 70.0 / 117 75.8 / 126 (W) |
| White | 5,904 | 70 | 68.4 / 115 74.2 / 123 (W) |
| Green | 5,584 | 70 | 67.0 / 109 72.2 / 118 (W) |
| Red | 5,242 | 70 | 64.6 / 106 70.0 / 114 (W) |
Hole data is what GolfCore holds for the course's layout. Picking a tee shows that tee's own yardages, pars and stroke indexes where the club has rated them. Clubs correct their own data in the app.
What GolfCore has for Ontonagon
GolfCore's library covers Ontonagon Golf Club green by green: 10 putting surfaces traced with 51 elevation contours from USGS 3DEP 1-meter lidar. The steepest measured slope on these greens tilts at 8.4 percent — the difference between a putt that dies at the hole and one that runs four feet past.
In the app, players and caddies read the same data live on the course: contour bands with fall-line arrows, wind simulated at the player's position, and pin positions that clubs on GolfCore set each morning. Ontonagon Golf Club is one of more than six thousand courses GolfCore has mapped green by green.
For clubs, the same system runs the tee sheet and the caddie yard — assignments off real tee times, SMS confirmations, and a caddie network that spans every club on the platform. Read how caddie management on GolfCore works.
Courses nearby
- Wyandotte Hills Golf Club 20 mi
- Perttu's Big Spruce Golf Course 21 mi
- Portage Lake Golf Club green maps · 39 mi
- Lac Vieux Desert GC green maps · 41 mi
- L'Anse Golf Club 42 mi
- Calumet Gc green maps · 46 mi
Staff at Ontonagon can claim this course by signing in with an email address at the club's own domain. That sets the club up on GolfCore with you as an administrator.