Oso Creek GC (formerly Casta del Sol)
- Type
- public 18 (city)
- Holes
- 18
- Phone
- (949) 470-4996 · source
- Verified
- Oct 15, 2026
Books 7 days out · 5:00 AM
Green fees
| Weekday | $59 |
|---|---|
| Weekend | $65 |
| Twilight weekday | $44 |
| Twilight weekend | $49 |
| Notes | Ride $59/$65; Twilight 2 PM (no separate 4 PM tier online); Walking 47/53, twi 32/37 |
|---|---|
| Cart | cart included |
| Fee source | osocreekgolf.com · verified Oct 15, 2026 |
Rates are what the course publishes (18 holes unless noted). Always confirm with the course before you book.
Booking window
Books 7 days out · 5:00 AM
| Public window | 7 days out · checked Oct 15, 2026 · Source: TeeItUp tee sheet |
|---|---|
| Opens at | 5:00 AM |
| Resident / card window | Mission Viejo residents $6 off 18 holes |
| Deposit & fees | Check course |
Course stats by tee
| Tee | Par | Yards | Slope | Rating |
|---|---|---|---|---|
| Blue | 60 | 3,670 | 95 | 57.4 |
Stats source: GolfPass
Location
Mission Viejo · Orange County
Practice range
| Range | Check course |
|---|
Maintenance & closures
⚠ Cart path only (ended)
| Type | Cart path only |
|---|---|
| Dates | Sep 24, 2026 – Oct 26, 2026 |
| Details | cart path only after overseeding |
| Source | osocreekgolf.com |
Demo data. Blank or unverified values show as "Check course".