Blackstone Golf Club

Every green at Blackstone in Marengo, Illinois traced contour by contour, with fall lines, daily pins, and live wind in the GolfCore app.

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

The course map of Blackstone: fairways, tees, greens, bunkers and water traced hole by hole, the same map the app plays a round on.
  • 18Holes
  • 72Par
  • 11Rated tees
  • 18Greens mapped
  • 229Contours
  • 12.5%Steepest slope

About Blackstone

Blackstone Golf Club is an 18-hole golf course playing to par 72 in Marengo, Illinois. Bob Lohmann designed it, and it opened in 2006. GolfCore has mapped 18 greens here with contour lines and fall-line arrows. The card below lists 11 rated tees with yardages for all 18 holes. GPS yardages and scoring are free in the GolfCore app.

Plan your visit

9700 St Andrews Dr, Marengo, IL

+1 (815) 923-1800

Green contour map of Blackstone in Marengo, Illinois: 229 elevation contours at a 3-inch interval with fall-line arrows, traced from 1-meter lidar
One of 18 mapped greens at Blackstone. 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 Blackstone from USGS 3DEP 1-meter lidar, with 229 elevation contours at a 3-inch interval. The steepest measured slope is 12.5 percent, and the largest rise across a single green is 5.0 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

6,734 yds · Par 72 · Rating 73.1 · Slope 139

Hole 123456789 Out
Par 434535435 36
Yards 352170405564237505310178539 3,260
Hcp 1317317911155
Hole 101112131415161718 In
Par 545344434 36
Yards 540333543159418404367234476 3,474
Hcp 81410182616124

Total72 Yards6,734

Hole Par Yards Hcp
1 4 352 13
2 3 170 17
3 4 405 3
4 5 564 1
5 3 237 7
6 5 505 9
7 4 310 11
8 3 178 15
9 5 539 5
Out 36 3,260
10 5 540 8
11 4 333 14
12 5 543 10
13 3 159 18
14 4 418 2
15 4 404 6
16 4 367 16
17 3 234 12
18 4 476 4
In 36 3,474
Total 72 6,734

Course rating and slope

TeeYardsParRating / Slope
Black 6,734 72 73.1 / 139
Black/Gold 6,498 72 77.5 / 141 (W)
Black/Gold 6,431 72 71.7 / 136
Gold 6,133 72 70.3 / 133 75.5 / 137 (W)
Gold/Silver 5,837 72 69.0 / 130 73.9 / 134 (W)
Silver 5,529 72 67.6 / 127 72.2 / 130 (W)
Bronze 4,918 72 64.8 / 120 68.8 / 123 (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
Marengo, Illinois, United States
Address
9700 St Andrews Dr, Marengo, IL
Architect
Bob Lohmann
Opened
2006
Holes
18
Par
72
Tees on the card
12, 11 USGA-rated
Greens mapped
18
Elevation contours
229
Contour interval
3-inch
Largest green elevation span
5.0 ft
Steepest measured slope
12.5%
Course map
Traced hole by hole
Wind modeling
Live wind grid, 16 directions
Tree canopy
1-meter canopy height model
Course data updated
2026-10-13

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Straight-line distance from Blackstone Golf Club.

Staff at Blackstone 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 Blackstone.