- 18Holes
- 71Par
- 12Rated tees
- 18Greens mapped
- 178Contours
- 5.8%Steepest slope
About Rio Hondo
Rio Hondo Golf Club is an 18-hole golf course playing to par 71 in Downey, California. John Duncan Dunn designed it, and it opened in 1924. 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
10627 Old River School Road, Downey, CA
+1-5629272329
How the greens break
GolfCore traced 18 greens at Rio Hondo from USGS 3DEP 1-meter lidar, with 178 elevation contours at a 3-inch interval. The steepest measured slope is 5.8 percent, and the largest rise across a single green is 3.7 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
| Hole | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | Out |
|---|---|---|---|---|---|---|---|---|---|---|
| Par | 4 | 4 | 5 | 5 | 4 | 4 | 3 | 3 | 4 | 36 |
| Yards | 401 | 390 | 471 | 494 | 392 | 326 | 145 | 218 | 393 | 3,230 |
| Hcp | 3 | 9 | 11 | 7 | 5 | 15 | 17 | 13 | 1 |
| Hole | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | In |
|---|---|---|---|---|---|---|---|---|---|---|
| Par | 3 | 5 | 4 | 4 | 3 | 5 | 4 | 3 | 4 | 35 |
| Yards | 172 | 480 | 296 | 354 | 166 | 473 | 311 | 138 | 404 | 2,794 |
| Hcp | 14 | 2 | 16 | 10 | 8 | 6 | 12 | 18 | 4 |
Total71 Yards6,024
| Hole | Par | Yards | Hcp |
|---|---|---|---|
| 1 | 4 | 401 | 3 |
| 2 | 4 | 390 | 9 |
| 3 | 5 | 471 | 11 |
| 4 | 5 | 494 | 7 |
| 5 | 4 | 392 | 5 |
| 6 | 4 | 326 | 15 |
| 7 | 3 | 145 | 17 |
| 8 | 3 | 218 | 13 |
| 9 | 4 | 393 | 1 |
| Out | 36 | 3,230 | |
| 10 | 3 | 172 | 14 |
| 11 | 5 | 480 | 2 |
| 12 | 4 | 296 | 16 |
| 13 | 4 | 354 | 10 |
| 14 | 3 | 166 | 8 |
| 15 | 5 | 473 | 6 |
| 16 | 4 | 311 | 12 |
| 17 | 3 | 138 | 18 |
| 18 | 4 | 404 | 4 |
| In | 35 | 2,794 | |
| Total | 71 | 6,024 |
Course rating and slope
| Tee | Yards | Par | Rating / Slope |
|---|---|---|---|
| Blue | 6,354 | 71 | 70.9 / 125 76.8 / 136 (W) |
| Blue/White | 6,177 | 71 | 70.0 / 123 75.8 / 134 (W) |
| White | 6,024 | 71 | 69.3 / 121 74.9 / 132 (W) |
| Gold | 5,659 | 71 | 67.4 / 117 72.8 / 128 (W) |
| Gold/Red | 5,297 | 71 | 65.6 / 112 70.8 / 124 (W) |
| Red | 5,066 | 71 | 64.6 / 109 69.6 / 121 (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
- Downey, California, United States
- Address
- 10627 Old River School Road, Downey, CA
- Phone
- +1-5629272329
- Website
- riohondogc.com
- Architect
- John Duncan Dunn
- Opened
- 1924
- Holes
- 18
- Par
- 71
- Tees on the card
- 12, 12 USGA-rated
- Greens mapped
- 18
- Elevation contours
- 178
- Contour interval
- 3-inch
- Largest green elevation span
- 3.7 ft
- Steepest measured slope
- 5.8%
- 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
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Staff at Rio Hondo 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.