Ontario Golf Club

Every green at Ontario GC in Ontario, New York traced contour by contour, with fall lines, daily pins, and live wind in the GolfCore app.

GolfCore is not affiliated with or endorsed by Ontario Golf Club.

The course map of Ontario GC: fairways, tees, greens, bunkers and water traced hole by hole, the same map the app plays a round on.
  • 18Holes
  • 72Par
  • 12Rated tees
  • 18Greens mapped
  • 181Contours
  • 7.8%Steepest slope

About Ontario GC

Ontario Golf Club is an 18-hole golf course playing to par 72 in Ontario, New York. George Swatt, Geoffrey S. Cornish designed it, and it opened in 1929. GolfCore has mapped 18 greens here with contour lines and fall-line arrows. The card below lists 12 rated tees with yardages for all 18 holes. GPS yardages and scoring are free in the GolfCore app.

Plan your visit

2101 Country Club Lane, Ontario, NY

(315) 495-4653

Green contour map of Ontario GC in Ontario, New York: 181 elevation contours at a 3-inch interval with fall-line arrows, traced from 1-meter lidar
One of 18 mapped greens at Ontario GC. Cool colors sit low and warm colors high; white lines are contours at a 3-inch interval, and the arrows point down the fall line.

How the greens break

GolfCore traced 18 greens at Ontario GC from USGS 3DEP 1-meter lidar, with 181 elevation contours at a 3-inch interval. The steepest measured slope is 7.8 percent, and the largest rise across a single green is 4.7 ft.

In the app the same map sits under your ball on every green, with the fall line drawn to the hole and the wind modeled at your position. At clubs that run GolfCore, the pins the shop sets each morning show up there too.

Elevation: USGS 3D Elevation Program, U.S. Geological Survey, National Geospatial Program (public domain), processed by GolfCore.

The card

6,106 yds · Par 72 · Rating 69.2 · Slope 125

Hole 123456789 Out
Par 543444354 36
Yards 479356144378370348163463375 3,076
Hcp 5715311131719
Hole 101112131415161718 In
Par 453534444 36
Yards 333485186460140339341362384 3,030
Hcp 14218816412610

Total72 Yards6,106

Hole Par Yards Hcp
1 5 479 5
2 4 356 7
3 3 144 15
4 4 378 3
5 4 370 11
6 4 348 13
7 3 163 17
8 5 463 1
9 4 375 9
Out 36 3,076
10 4 333 14
11 5 485 2
12 3 186 18
13 5 460 8
14 3 140 16
15 4 339 4
16 4 341 12
17 4 362 6
18 4 384 10
In 36 3,030
Total 72 6,106

Course rating and slope

TeeYardsParRating / Slope
Black 6,806 72 78.1 / 139 (W)
Championship 6,806 72 72.9 / 130
Black 6,772 72 72.9 / 130
Blue 6,428 72 71.3 / 129
White 6,106 72 69.2 / 125 75.4 / 132 (W)
Green 5,448 72 66.5 / 113 72.0 / 126 (W)
Senior Green 5,448 72 66.5 / 113
Wrdga 5,125 72 70.0 / 123 (W)
Gold 4,753 72 63.7 / 101 68.2 / 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. Spot a wrong par, yardage or stroke index? Report it from Map Settings in the app, or send us a correction.

Course details

Location
Ontario, New York, United States
Address
2101 Country Club Lane, Ontario, NY
Architect
George Swatt, Geoffrey S. Cornish
Opened
1929
Holes
18
Par
72
Tees on the card
12, 12 USGA-rated
Greens mapped
18
Elevation contours
181
Contour interval
3-inch
Largest green elevation span
4.7 ft
Steepest measured slope
7.8%
Course map
Traced hole by hole
Wind modeling
Live wind grid, 16 directions
Tree canopy
1-meter canopy height model
Course data updated
2026-11-10

More courses nearby

Straight-line distance from Ontario Golf Club.

Staff at Ontario GC can claim this course by signing in with an email address at the club's own domain, then edit its address, phone, website and crest at no charge. Read how a club keeps its course right. The same system runs a club's tee sheet and caddie yard; read how caddie management on GolfCore works.

GolfCore maps courses from public elevation data and is not affiliated with or endorsed by Ontario GC.