The Castle Course at Northern Bay

Every green at Northern Bay (Castle) in Arkdale, Wisconsin traced contour by contour, with fall lines, daily pins, and live wind in the GolfCore app.

Northern Bay (Castle) drawn from GolfCore's traced course vectors — fairways, tees, greens, bunkers and water, in the app's own colors. This is the same geometry the app maps a round on.
24Greens Mapped 396Elevation Contours 17.6%Steepest Slope 18Holes 72Par 8Rated Tees
Green contour map of Northern Bay (Castle) in Arkdale, Wisconsin — 396 elevation contours at a 3-inch interval with fall-line arrows, traced from 1-meter lidar
One of 24 mapped greens at Northern Bay (Castle), drawn from GolfCore's contour data baked from USGS 3DEP 1-meter lidar, in the same colors the app uses. Elevation bands run cool-low to warm-high; white lines are contours at a 3-inch interval, and dark arrows point down the fall line.

The course, by the numbers

LocationArkdale, Wisconsin, United States
AddressSouth Czech Court
Phone6083398500
Websitenorthernbayresort.com
Holes18
Par72
Tees on the card8, 8 USGA-rated
Greens mapped24
Elevation contours396
Contour interval3-inch
Largest green elevation span7.1 ft
Steepest measured slope17.6%
Course mapTraced hole by hole
Wind modelingLive wind grid, 16 directions
Tree canopy1-meter canopy height model
Course data updated2026-09-01

The card

6,324 yds · Par 72 · Rating 71.1 · Slope 125

Hole 123456789 Out
Par 433445454 36
Yards 330144159418334554410491384 3,224
Hcp 1795115371311
Hole 101112131415161718 In
Par 354445434 36
Yards 124444393349327551369117426 3,100
Hcp 41081416212186

Total72 Yards6,324

Hole Par Yards Hcp
1 4 330 17
2 3 144 9
3 3 159 5
4 4 418 1
5 4 334 15
6 5 554 3
7 4 410 7
8 5 491 13
9 4 384 11
Out 36 3,224
10 3 124 4
11 5 444 10
12 4 393 8
13 4 349 14
14 4 327 16
15 5 551 2
16 4 369 12
17 3 117 18
18 4 426 6
In 36 3,100
Total 72 6,324

Course rating and slope

TeeYardsParRating / Slope
Black 7,039 72 74.7 / 132
Blue 6,701 72 72.8 / 128
White 6,324 72 71.1 / 125 77.6 / 140 (W)
Green 5,874 72 68.5 / 123 74.8 / 131 (W)
Red 5,063 72 64.8 / 115 70.3 / 119 (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 Northern Bay (Castle)

GolfCore's library covers The Castle Course at Northern Bay green by green: 24 putting surfaces traced with 396 elevation contours from USGS 3DEP 1-meter lidar. The steepest measured slope on these greens tilts at 17.6 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. The Castle Course at Northern Bay 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

Staff at Northern Bay (Castle) 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.

GolfCore maps courses from public elevation data and is not affiliated with or endorsed by Northern Bay (Castle). Represent this club? Request changes or removal through our contact page.