Twin Isles Country Club is a golf course in the United States. 18 holes are surveyed here from OpenStreetMap, 6,559 yd5,998 m of playing length in total, at par 72. The longest hole is number 18 at 512 yd468 m, the shortest number 12 at 163 yd149 m. Worked out in advance: the distance to the front and the back edge of the green for 18 holes as well as the carry distance over 107 bunkers and 18 water hazards for 18 holes. For 18 holes the elevation change between tee and green is on record as well.
HOLES18
PAR72
BUNKERS107
WATER18
SHORTEST HOLE163 yd149 m
LONGEST HOLE512 yd468 m
TOTAL LENGTH6,559 yd5,998 m
COURSE MAP · FROM OPENSTREETMAP
HOLE 4 · PAR 3 · SI 17177 yd
80 / 165 ydBunker left
GREEN DEPTH 23 yd · Δ 0 yd
HOLE 4 · PAR 3 · SI 17162 m
80 / 151 mBunker left
GREEN DEPTH 21 m · Δ 0 m
HOLE 17 · PAR 4 · SI 14342 yd
75 / 86 ydBunker right
GREEN DEPTH 30 yd
HOLE 17 · PAR 4 · SI 14313 m
75 / 79 mBunker right
GREEN DEPTH 27 m
HOLE 18 · PAR 5 · SI 8512 yd
55 / 70 ydBunker right
GREEN DEPTH 24 yd · Δ +2 yd
HOLE 18 · PAR 5 · SI 8468 m
55 / 64 mBunker right
GREEN DEPTH 22 m · Δ +2 m
Every hazard carries two numbers: the first reaches its near edge, the second carries past it. Drawn from OpenStreetMap, exactly as the app draws it.
Yardage book for Twin Isles Country Club. In OpenYardage every hole is a drawing, with distance rings, your own notes hole by hole and your club choice. Books by other players can be read, copied and printed as an A6 booklet.
Par and stroke index are on record for every hole, so the card is complete. Not every club publishes its scorecard; this one is put together from the open data of OpenStreetMap and is not the club's official card. For a counting round the card from the pro shop is the one that applies.
All figures in yards, converted from the metre values in OpenStreetMap.All figures in metres. The length follows the line of play from the back tee to the middle of the green and takes a dogleg with it. Carry distances count from the tee to the near edge and to the far edge of the hazard. The stroke index ranks the holes by difficulty from 1 to 18 and decides where net strokes fall.
HOLE
1
2
3
4
5
6
7
8
9
OUT
PAR
4
4
4
3
5
4
4
5
3
36
STROKE INDEX
3
5
1
17
13
15
7
9
11
·
LENGTH
411 yd376 m
388 yd355 m
407 yd372 m
177 yd162 m
504 yd461 m
352 yd322 m
404 yd369 m
504 yd461 m
177 yd162 m
3,324 yd3,040 m
GREEN DEPTH
21 yd19 m
31 yd28 m
22 yd20 m
23 yd21 m
25 yd23 m
33 yd30 m
31 yd28 m
27 yd25 m
24 yd22 m
·
ELEVATION
0 yd0 m
0 yd0 m
0 yd0 m
0 yd0 m
0 yd0 m
0 yd0 m
0 yd0 m
+1 yd+1 m
0 yd0 m
·
HOLE
10
11
12
13
14
15
16
17
18
IN
PAR
5
4
3
4
4
4
3
4
5
36
STROKE INDEX
12
4
18
2
10
6
16
14
8
·
LENGTH
491 yd449 m
386 yd353 m
163 yd149 m
421 yd385 m
358 yd327 m
375 yd343 m
187 yd171 m
342 yd313 m
512 yd468 m
3,235 yd2,958 m
GREEN DEPTH
22 yd20 m
23 yd21 m
19 yd17 m
27 yd25 m
25 yd23 m
27 yd25 m
27 yd25 m
30 yd27 m
24 yd22 m
·
ELEVATION
0 yd0 m
0 yd0 m
0 yd0 m
+1 yd+1 m
0 yd0 m
0 yd0 m
0 yd0 m
0 yd0 m
+2 yd+2 m
·
ELEVATION CHANGE
For 18 of the 18 holes the elevation profile is calculated. Hole 15 has the most cumulative elevation change along the played line: 8 yd (4 yd up, 4 yd down; 0 yd net tee to green).Hole 15 has the most cumulative elevation change along the played line: 8 m (4 m up, 4 m down; 0 m net tee to green). The basis are official elevation models (US-3DEP).
HOLE 15 FROM THE SIDE · HEIGHT EXAGGERATED 19×
What lies in the way off the tee
Two numbers to every hazard: the first reaches its near edge, the second carries past it. Land between the two and you are in it.
1
24–331L46–55L65–69R86–97R95–157L117–127Rand 2 more22–303L42–50L59–63R79–89R87–144L107–116Rand 2 more
2
27–387R98–115L153–156L237–266L338–480L339–347Rand 2 more25–354R90–105L140–143L217–243L309–439L310–317Rand 2 more
3
0–219L37–58R177–186R227–259L274–285R306–315Rand 2 more0–200L34–53R162–170R208–237L251–261R280–288Rand 2 more
The basis is the map of this course in OpenStreetMap. Lengths, distances to the green edge and carry distances are calculated from it, not copied: every hole is projected onto its line of play and the arc length from the tee is counted. This replaces neither an official course measurement nor the club's scorecard. If you spot a mistake you can report it through the course page in the app, map it in FairwayMapper or correct it in OpenStreetMap straight away. Data as of 2026-09-18.
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